diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4d6b17377..501309358 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,7 @@ All notable changes to this project will be documented in this file.
 - [#1871] Toogle buttons for disabling subsprite animation, display preview of sprites/frames
 - [#1875] Remove no longer accessed items from cache after certain amount of time
 - [#1280] AS3 Direct editation of traits with the same name
+- [#1743] GFX - Adding DefineExternalImage2 and DefineSubImage tags
 
 ### Fixed
 - [#1869] Replace references now replaces all references, not just PlaceObject
@@ -20,6 +21,9 @@ All notable changes to this project will be documented in this file.
 - [#1692] Resolving use namespace
 - [#1692] Properly distinguish obfuscated names vs namespace suffixes and attributes
 
+### Changed
+- GFX - DefineExternalImage2 no longer handled as character
+
 ## [16.3.1] - 2022-11-14
 ### Fixed
 - [#1867] AS3 - §§hasnext, §§nextvalue, §§nextname in some nonstandard compiled SWFs
@@ -2593,6 +2597,8 @@ All notable changes to this project will be documented in this file.
 [#1870]: https://www.free-decompiler.com/flash/issues/1870
 [#1871]: https://www.free-decompiler.com/flash/issues/1871
 [#1875]: https://www.free-decompiler.com/flash/issues/1875
+[#1280]: https://www.free-decompiler.com/flash/issues/1280
+[#1743]: https://www.free-decompiler.com/flash/issues/1743
 [#1869]: https://www.free-decompiler.com/flash/issues/1869
 [#1872]: https://www.free-decompiler.com/flash/issues/1872
 [#1692]: https://www.free-decompiler.com/flash/issues/1692
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
index 0421eff81..b332abee8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/SWF.java
@@ -133,6 +133,7 @@ import com.jpexs.decompiler.flash.tags.base.SoundTag;
 import com.jpexs.decompiler.flash.tags.base.TextTag;
 import com.jpexs.decompiler.flash.tags.enums.ImageFormat;
 import com.jpexs.decompiler.flash.tags.gfx.DefineCompactedFont;
+import com.jpexs.decompiler.flash.tags.gfx.DefineExternalImage2;
 import com.jpexs.decompiler.flash.timeline.AS2Package;
 import com.jpexs.decompiler.flash.timeline.Frame;
 import com.jpexs.decompiler.flash.timeline.FrameScript;
@@ -300,6 +301,9 @@ public final class SWF implements SWFContainerItem, Timelined {
     @Internal
     private volatile Map<Integer, CharacterTag> characters;
 
+    @Internal
+    private volatile Map<Integer, DefineExternalImage2> externalImages2;
+
     @Internal
     private volatile Map<Integer, List<CharacterIdTag>> characterIdTags;
 
@@ -365,9 +369,9 @@ public final class SWF implements SWFContainerItem, Timelined {
     private Map<String, ASMSource> asmsCache;
 
     private Set<Integer> cyclicCharacters = null;
-    
+
     private boolean headerModified = false;
-    
+
     private String charset = "UTF-8";
 
     private static final DecompilerPool decompilerPool = new DecompilerPool();
@@ -382,7 +386,7 @@ public final class SWF implements SWFContainerItem, Timelined {
             "CFX", // Compressed ScaleForm GFx
             "ABC" // Non-standard LZMA compressed Flash
     );
-    
+
     /**
      * Color to paint when there is an error (missing image, ...)
      */
@@ -394,19 +398,20 @@ public final class SWF implements SWFContainerItem, Timelined {
 
     public void setCharset(String charset) {
         this.charset = charset;
-    }      
-    
+    }
+
     public void setHeaderModified(boolean headerModified) {
         this.headerModified = headerModified;
-    }   
+    }
 
     public boolean isHeaderModified() {
         return headerModified;
-    }       
-    
+    }
+
     public void updateCharacters() {
         characters = null;
         characterIdTags = null;
+        externalImages2 = null;
     }
 
     public void clearTagSwfs() {
@@ -478,9 +483,11 @@ public final class SWF implements SWFContainerItem, Timelined {
                 if (characters == null) {
                     Map<Integer, CharacterTag> chars = new HashMap<>();
                     Map<Integer, List<CharacterIdTag>> charIdtags = new HashMap<>();
-                    parseCharacters(getTags(), chars, charIdtags);
+                    Map<Integer, DefineExternalImage2> eimages = new HashMap<>();
+                    parseCharacters(getTags(), eimages, chars, charIdtags);
                     characters = Collections.unmodifiableMap(chars);
                     characterIdTags = Collections.unmodifiableMap(charIdtags);
+                    externalImages2 = Collections.unmodifiableMap(eimages);
                 }
             }
         }
@@ -488,6 +495,18 @@ public final class SWF implements SWFContainerItem, Timelined {
         return characters;
     }
 
+    public Map<Integer, DefineExternalImage2> getExternalImages2() {
+        if (externalImages2 == null) {
+            getCharacters();
+        }
+        return externalImages2;
+    }
+
+    public DefineExternalImage2 getExternalImage2(int imageId) {
+        Map<Integer, DefineExternalImage2> images = getExternalImages2();
+        return images.get(imageId);
+    }
+
     public List<CharacterIdTag> getCharacterIdTags(int characterId) {
         if (characterIdTags == null) {
             getCharacters();
@@ -511,21 +530,22 @@ public final class SWF implements SWFContainerItem, Timelined {
         return null;
     }
 
-    
     private void computeDependentCharacters(Timelined timelined, Map<Integer, Set<Integer>> dep) {
         for (Tag tag : timelined.getTags()) {
             if (tag instanceof CharacterTag) {
                 int characterId = ((CharacterTag) tag).getCharacterId();
-                Set<Integer> needed = new HashSet<>();
-                tag.getNeededCharacters(needed);
-                for (Integer needed1 : needed) {
-                    Set<Integer> s = dep.get(needed1);
-                    if (s == null) {
-                        s = new HashSet<>();
-                        dep.put(needed1, s);
-                    }
+                if (characterId != -1) {
+                    Set<Integer> needed = new HashSet<>();
+                    tag.getNeededCharacters(needed);
+                    for (Integer needed1 : needed) {
+                        Set<Integer> s = dep.get(needed1);
+                        if (s == null) {
+                            s = new HashSet<>();
+                            dep.put(needed1, s);
+                        }
 
-                    s.add(characterId);
+                        s.add(characterId);
+                    }
                 }
             }
             if (tag instanceof DefineSpriteTag) {
@@ -533,6 +553,7 @@ public final class SWF implements SWFContainerItem, Timelined {
             }
         }
     }
+
     public void computeDependentCharacters() {
         Map<Integer, Set<Integer>> dep = new HashMap<>();
         computeDependentCharacters(this, dep);
@@ -829,7 +850,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
 
         return null;
-    }   
+    }
 
     public void resetTimelines(Timelined timelined) {
         timelined.resetTimeline();
@@ -842,28 +863,36 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
     }
 
-    private void parseCharacters(Iterable<Tag> list, Map<Integer, CharacterTag> characters, Map<Integer, List<CharacterIdTag>> characterIdTags) {
+    private void parseCharacters(Iterable<Tag> list, Map<Integer, DefineExternalImage2> externalImages2, Map<Integer, CharacterTag> characters, Map<Integer, List<CharacterIdTag>> characterIdTags) {
         Iterator<Tag> iterator = list.iterator();
         while (iterator.hasNext()) {
             Tag t = iterator.next();
+
+            if (t instanceof DefineExternalImage2) {
+                DefineExternalImage2 ei2 = (DefineExternalImage2) t;
+                externalImages2.put(ei2.imageID, ei2);
+            }
+
             if (t instanceof CharacterIdTag) {
                 int characterId = ((CharacterIdTag) t).getCharacterId();
-                if (t instanceof CharacterTag) {
-                    if (characters.containsKey(characterId)) {
-                        logger.log(Level.SEVERE, "SWF already contains characterId={0}", characterId);
-                    }
+                if (characterId != -1) {
+                    if (t instanceof CharacterTag) {
+                        if (characters.containsKey(characterId)) {
+                            logger.log(Level.SEVERE, "SWF already contains characterId={0}", characterId);
+                        }
 
-                    if (characterId != 0) {
-                        characters.put(characterId, (CharacterTag) t);
-                        characterIdTags.put(characterId, new ArrayList<>());
+                        if (characterId != 0) {
+                            characters.put(characterId, (CharacterTag) t);
+                            characterIdTags.put(characterId, new ArrayList<>());
+                        }
+                    } else if (characterIdTags.containsKey(characterId)) {
+                        characterIdTags.get(characterId).add((CharacterIdTag) t);
                     }
-                } else if (characterIdTags.containsKey(characterId)) {
-                    characterIdTags.get(characterId).add((CharacterIdTag) t);
                 }
             }
 
             if (t instanceof DefineSpriteTag) {
-                parseCharacters(((DefineSpriteTag) t).getTags(), characters, characterIdTags);
+                parseCharacters(((DefineSpriteTag) t).getTags(), externalImages2, characters, characterIdTags);
             }
         }
     }
@@ -982,17 +1011,16 @@ public final class SWF implements SWFContainerItem, Timelined {
     private byte[] saveToByteArray() throws IOException {
         return saveToByteArray(gfx);
     }
-    
+
     private void checkCharset() {
         if (version > 5) {
             charset = Utf8Helper.charsetName;
         }
     }
 
-    private byte[] saveToByteArray(boolean gfx) throws IOException {        
+    private byte[] saveToByteArray(boolean gfx) throws IOException {
         byte[] data;
-        try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                SWFOutputStream sos = new SWFOutputStream(baos, version, charset)) {
+        try ( ByteArrayOutputStream baos = new ByteArrayOutputStream();  SWFOutputStream sos = new SWFOutputStream(baos, version, charset)) {
             sos.write(getHeaderBytes(SWFCompression.NONE, gfx));
             sos.writeUI8(version);
             sos.writeUI32(0); // placeholder for file length
@@ -1009,8 +1037,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
 
         // update file size
-        try (ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                SWFOutputStream sos = new SWFOutputStream(baos, version, charset)) {
+        try ( ByteArrayOutputStream baos = new ByteArrayOutputStream();  SWFOutputStream sos = new SWFOutputStream(baos, version, charset)) {
             sos.writeUI32(data.length);
             byte[] lengthData = baos.toByteArray();
             System.arraycopy(lengthData, 0, data, 4, lengthData.length);
@@ -1052,7 +1079,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         boolean gfx = hdr[1] == 'F' && hdr[2] == 'X';
         int version = hdr[3];
         long fileSize;
-        try (SWFInputStream sis = new SWFInputStream(null, Arrays.copyOfRange(hdr, 4, 8), 4, 4)) {
+        try ( SWFInputStream sis = new SWFInputStream(null, Arrays.copyOfRange(hdr, 4, 8), 4, 4)) {
             fileSize = sis.readUI32("fileSize");
         }
 
@@ -1122,11 +1149,11 @@ public final class SWF implements SWFContainerItem, Timelined {
     }
 
     @Override
-    public boolean isModified() {       
+    public boolean isModified() {
         if (isModified) {
             return true;
         }
-        
+
         if (headerModified) {
             return true;
         }
@@ -1152,7 +1179,6 @@ public final class SWF implements SWFContainerItem, Timelined {
             }
         }
 
-        
         headerModified = false;
         isModified = false;
 
@@ -1169,9 +1195,9 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF() {
         version = SWF.DEFAULT_VERSION;
         displayRect = new RECT(0, 1, 0, 1);
-        dumpInfo = new DumpInfoSwfNode(this, "rootswf", "", null, 0, 0);        
+        dumpInfo = new DumpInfoSwfNode(this, "rootswf", "", null, 0, 0);
     }
-    
+
     public SWF(String charset) {
         this();
         this.charset = charset;
@@ -1188,7 +1214,7 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF(InputStream is, boolean parallelRead) throws IOException, InterruptedException {
         this(is, null, null, null, parallelRead, false, true);
     }
-    
+
     public SWF(InputStream is, boolean parallelRead, String charset) throws IOException, InterruptedException {
         this(is, null, null, null, parallelRead, false, true, charset);
     }
@@ -1205,7 +1231,7 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF(InputStream is, boolean parallelRead, boolean lazy) throws IOException, InterruptedException {
         this(is, null, null, null, parallelRead, false, lazy);
     }
-    
+
     public SWF(InputStream is, boolean parallelRead, boolean lazy, String charset) throws IOException, InterruptedException {
         this(is, null, null, null, parallelRead, false, lazy, charset);
     }
@@ -1223,7 +1249,7 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF(InputStream is, String file, String fileTitle, boolean parallelRead) throws IOException, InterruptedException {
         this(is, file, fileTitle, null, parallelRead, false, true);
     }
-    
+
     public SWF(InputStream is, String file, String fileTitle, boolean parallelRead, String charset) throws IOException, InterruptedException {
         this(is, file, fileTitle, null, parallelRead, false, true, charset);
     }
@@ -1245,7 +1271,6 @@ public final class SWF implements SWFContainerItem, Timelined {
         this(is, null, null, listener, parallelRead, false, true, charset);
     }
 
-    
     /**
      * Construct SWF from stream
      *
@@ -1260,7 +1285,7 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF(InputStream is, String file, String fileTitle, ProgressListener listener, boolean parallelRead) throws IOException, InterruptedException {
         this(is, file, fileTitle, listener, parallelRead, false, true);
     }
-    
+
     public SWF(InputStream is, String file, String fileTitle, ProgressListener listener, boolean parallelRead, String charset) throws IOException, InterruptedException {
         this(is, file, fileTitle, listener, parallelRead, false, true, charset);
     }
@@ -1278,11 +1303,11 @@ public final class SWF implements SWFContainerItem, Timelined {
     public SWF(InputStream is, String file, String fileTitle, ProgressListener listener, boolean parallelRead, boolean checkOnly, boolean lazy, String charset) throws IOException, InterruptedException {
         this(is, file, fileTitle, listener, parallelRead, checkOnly, lazy, null, charset);
     }
-    
+
     public SWF(InputStream is, String file, String fileTitle, ProgressListener listener, boolean parallelRead, boolean checkOnly, boolean lazy) throws IOException, InterruptedException {
         this(is, file, fileTitle, listener, parallelRead, checkOnly, lazy, null, Charset.defaultCharset().name());
     }
-    
+
     public SWF(InputStream is, String file, String fileTitle, ProgressListener listener, boolean parallelRead, boolean checkOnly, boolean lazy, UrlResolver resolver) throws IOException, InterruptedException {
         this(is, file, fileTitle, listener, parallelRead, checkOnly, lazy, resolver, Charset.defaultCharset().name());
     }
@@ -1318,11 +1343,11 @@ public final class SWF implements SWFContainerItem, Timelined {
         sis.dumpInfo = dumpInfo;
         sis.skipBytesEx(3, "signature"); // skip siganture
         version = sis.readUI8("version");
-        
+
         if (version > 5) {
             this.charset = Utf8Helper.charsetName;
         }
-        
+
         fileSize = sis.readUI32("fileSize");
         dumpInfo.lengthBytes = fileSize;
         if (listener != null) {
@@ -1493,21 +1518,23 @@ public final class SWF implements SWFContainerItem, Timelined {
     public String getTitleOrShortFileName() {
         if (fileTitle != null) {
             return fileTitle;
-        }        
+        }
         return new File(file).getName();
     }
-    
+
     public String getShortFileName() {
         return new File(getTitleOrShortFileName()).getName();
     }
-    
+
     /**
-     * Gets title of this SWF incuding parent nodes like SwfList and DefineBinaryData
-     * @return 
+     * Gets title of this SWF incuding parent nodes like SwfList and
+     * DefineBinaryData
+     *
+     * @return
      */
     public String getShortPathTitle() {
         if (binaryData != null) {
-            return binaryData.getSwf().getShortPathTitle()+ "/DefineBinaryData (" + binaryData.getCharacterId() + ")";
+            return binaryData.getSwf().getShortPathTitle() + "/DefineBinaryData (" + binaryData.getCharacterId() + ")";
         }
         if (swfList != null) {
             if (swfList.isBundle()) {
@@ -1516,14 +1543,16 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
         return getTitleOrShortFileName();
     }
-    
+
     /**
-     * Gets full path title of this SWF incuding parent nodes like SwfList and DefineBinaryData
-     * @return 
+     * Gets full path title of this SWF incuding parent nodes like SwfList and
+     * DefineBinaryData
+     *
+     * @return
      */
     public String getFullPathTitle() {
         if (binaryData != null) {
-            return binaryData.getSwf().getFullPathTitle()+ "/DefineBinaryData (" + binaryData.getCharacterId() + ")";
+            return binaryData.getSwf().getFullPathTitle() + "/DefineBinaryData (" + binaryData.getCharacterId() + ")";
         }
         if (swfList != null) {
             if (swfList.isBundle()) {
@@ -1583,6 +1612,9 @@ public final class SWF implements SWFContainerItem, Timelined {
         for (Tag t : getTags()) {
             if (t instanceof CharacterTag) {
                 CharacterTag ct = (CharacterTag) t;
+                if (ct.getCharacterId() == -1) {
+                    continue;
+                }
                 if (exportNames.containsKey(ct.getCharacterId())) {
                     ct.setExportName(exportNames.get(ct.getCharacterId()));
                 }
@@ -1605,6 +1637,9 @@ public final class SWF implements SWFContainerItem, Timelined {
         for (Tag t : getTags()) {
             if (t instanceof CharacterTag) {
                 CharacterTag ct = (CharacterTag) t;
+                if (ct.getCharacterId() == -1) {
+                    continue;
+                }
                 if (classes.containsKey(ct.getCharacterId())) {
                     ct.setClassName(classes.get(ct.getCharacterId()));
                 }
@@ -1656,7 +1691,7 @@ public final class SWF implements SWFContainerItem, Timelined {
 
         int version = headerData[3];
         long fileSize;
-        try (SWFInputStream sis = new SWFInputStream(null, Arrays.copyOfRange(headerData, 4, 8), 4, 4)) {
+        try ( SWFInputStream sis = new SWFInputStream(null, Arrays.copyOfRange(headerData, 4, 8), 4, 4)) {
             fileSize = sis.readUI32("fileSize");
         }
 
@@ -1679,7 +1714,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         SWFHeader header = decodeHeader(hdr);
         long fileSize = header.fileSize;
 
-        try (SWFOutputStream sos = new SWFOutputStream(os, header.version, Utf8Helper.charsetName)) {
+        try ( SWFOutputStream sos = new SWFOutputStream(os, header.version, Utf8Helper.charsetName)) {
             sos.write(getHeaderBytes(SWFCompression.NONE, header.gfx));
             sos.writeUI8(header.version);
             sos.writeUI32(fileSize);
@@ -1693,7 +1728,7 @@ public final class SWF implements SWFContainerItem, Timelined {
                 case 'Z': { // ZWS
                     byte[] lzmaprop = new byte[9];
                     is.read(lzmaprop);
-                    try (SWFInputStream sis = new SWFInputStream(null, lzmaprop)) {
+                    try ( SWFInputStream sis = new SWFInputStream(null, lzmaprop)) {
                         sis.readUI32("LZMAsize"); // compressed LZMA data size = compressed SWF - 17 byte,
                         // where 17 = 8 byte header + this 4 byte + 5 bytes decoder properties
 
@@ -2748,7 +2783,7 @@ public final class SWF implements SWFContainerItem, Timelined {
             }
         }
     }
-    
+
     public void clearShapeCache() {
         shapeExportDataCache.clear();
     }
@@ -3059,25 +3094,27 @@ public final class SWF implements SWFContainerItem, Timelined {
     }
 
     private void removeTagWithDependenciesFromTimeline(Tag toRemove, Timeline timeline) {
-        Set<Integer> dependingChars = new HashSet<>();        
+        Set<Integer> dependingChars = new HashSet<>();
         if (toRemove instanceof CharacterTag) {
             int characterId = ((CharacterTag) toRemove).getCharacterId();
-            dependingChars = getDependentCharacters(characterId);
-            dependingChars.add(characterId);
+            if (characterId != -1) {
+                dependingChars = getDependentCharacters(characterId);
+                dependingChars.add(characterId);
+            }
         }
         removeTagWithDependenciesFromTimeline(toRemove, timeline, dependingChars);
     }
-    
+
     public boolean removeCharacterFromTimeline(int characterId, Timeline timeline) {
         Set<Integer> chars = new HashSet<>();
         chars.add(characterId);
         return removeTagWithDependenciesFromTimeline(null, timeline, chars);
-    }    
-    
+    }
+
     private boolean removeTagWithDependenciesFromTimeline(Tag toRemove, Timeline timeline, Set<Integer> dependingChars) {
         Map<Integer, Integer> stage = new HashMap<>();
         Timelined timelined = timeline.timelined;
-        ReadOnlyTagList tags = timelined.getTags();        
+        ReadOnlyTagList tags = timelined.getTags();
         boolean modified = false;
         for (int i = 0; i < tags.size(); i++) {
             Tag t = tags.get(i);
@@ -3143,7 +3180,9 @@ public final class SWF implements SWFContainerItem, Timelined {
         int characterId = -1;
         if (toRemove instanceof CharacterTag) {
             characterId = ((CharacterTag) toRemove).getCharacterId();
-            modified = removeCharacterFromTimeline(characterId, timeline);
+            if (characterId != -1) {
+                modified = removeCharacterFromTimeline(characterId, timeline);
+            }
         }
         Timelined timelined = timeline.timelined;
         ReadOnlyTagList tags = timelined.getTags();
@@ -3293,12 +3332,12 @@ public final class SWF implements SWFContainerItem, Timelined {
             updateCharacters();
         }
     }
-    
+
     public int indexOfTag(Tag tag) {
         return tags.indexOf(tag);
-    }  
-    
-    public static void addTagBefore(Tag newTag, Tag targetTag) {       
+    }
+
+    public static void addTagBefore(Tag newTag, Tag targetTag) {
         Timelined tim = targetTag.getTimelined();
         int index = tim.indexOfTag(targetTag);
         if (index < 0) {
@@ -3352,7 +3391,9 @@ public final class SWF implements SWFContainerItem, Timelined {
         for (Tag tag : getTags()) {
             if (tag instanceof CharacterTag) {
                 CharacterTag characterTag = (CharacterTag) tag;
-                replaceCharacter(characterTag.getCharacterId(), id++);
+                if (characterTag.getCharacterId() != -1) {
+                    replaceCharacter(characterTag.getCharacterId(), id++);
+                }
             }
         }
         // then set them to 1,2,3...
@@ -3360,7 +3401,9 @@ public final class SWF implements SWFContainerItem, Timelined {
         for (Tag tag : getTags()) {
             if (tag instanceof CharacterTag) {
                 CharacterTag characterTag = (CharacterTag) tag;
-                replaceCharacter(characterTag.getCharacterId(), id++);
+                if (characterTag.getCharacterId() != -1) {
+                    replaceCharacter(characterTag.getCharacterId(), id++);
+                }
             }
         }
     }
@@ -3387,6 +3430,9 @@ public final class SWF implements SWFContainerItem, Timelined {
 
     public void replaceCharacterTags(CharacterTag characterTag, int newCharacterId) {
         int characterId = characterTag.getCharacterId();
+        if (characterId == -1) {
+            return;
+        }
         CharacterTag newCharacter = getCharacter(newCharacterId);
         newCharacter.setCharacterId(characterId);
         characterTag.setCharacterId(newCharacterId);
@@ -3674,7 +3720,7 @@ public final class SWF implements SWFContainerItem, Timelined {
         }
 
         SWD swd = new SWD(7, items);
-        try (FileOutputStream fis = new FileOutputStream(file)) {
+        try ( FileOutputStream fis = new FileOutputStream(file)) {
             swd.saveTo(fis);
         }
         return true;
@@ -3807,7 +3853,7 @@ public final class SWF implements SWFContainerItem, Timelined {
             return false;
         }
         SWD swd = new SWD(7, items);
-        try (FileOutputStream fis = new FileOutputStream(file)) {
+        try ( FileOutputStream fis = new FileOutputStream(file)) {
             swd.saveTo(fis);
         }
         return true;
@@ -3993,9 +4039,11 @@ public final class SWF implements SWFContainerItem, Timelined {
         for (Tag t : getTags()) {
             if (t instanceof CharacterTag) {
                 CharacterTag cht = (CharacterTag) t;
-                Set<Integer> needed = new HashSet<>();
-                cht.getNeededCharacters(needed);
-                characterToNeeded.put(cht.getCharacterId(), needed);
+                if (cht.getCharacterId() != -1) {
+                    Set<Integer> needed = new HashSet<>();
+                    cht.getNeededCharacters(needed);
+                    characterToNeeded.put(cht.getCharacterId(), needed);
+                }
             }
         }
 
@@ -4036,7 +4084,7 @@ public final class SWF implements SWFContainerItem, Timelined {
     public void setFileTitle(String fileTitle) {
         this.fileTitle = fileTitle;
     }
-    
+
     @Override
     public int getFrameCount() {
         return frameCount;
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/PreviewExporter.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/PreviewExporter.java
index 9e0302544..f4ac3a03a 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/PreviewExporter.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/exporters/PreviewExporter.java
@@ -367,8 +367,10 @@ public class PreviewExporter {
                     //}
                     if (t instanceof CharacterTag) {
                         int characterId = ((CharacterTag) t).getCharacterId();
-                        doneCharacters.add(characterId);
-                        writeTag(t, sos2);
+                        if (characterId != -1) {
+                            doneCharacters.add(characterId);
+                            writeTag(t, sos2);
+                        }
                     }
                 }
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
index 5641c9ddd..9785d41c8 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/Tag.java
@@ -679,12 +679,14 @@ public abstract class Tag implements NeedsCharacters, Exportable, Serializable {
     private void getDependentCharactersOnTimelined(Timelined timelined, Set<Integer> dependent) {
         for (Tag tag : timelined.getTags()) {
             if (tag instanceof CharacterTag) {
-                Set<Integer> needed = new HashSet<>();
-                tag.getNeededCharactersDeep(needed);
-                for (int dep : dependent) {
-                    if (needed.contains(dep)) {
-                        dependent.add(((CharacterTag) tag).getCharacterId());
-                        break;
+                if (((CharacterTag) tag).getCharacterId() != -1) {
+                    Set<Integer> needed = new HashSet<>();
+                    tag.getNeededCharactersDeep(needed);
+                    for (int dep : dependent) {
+                        if (needed.contains(dep)) {
+                            dependent.add(((CharacterTag) tag).getCharacterId());
+                            break;
+                        }
                     }
                 }
             }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage.java
index ab27639b4..8264a1448 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage.java
@@ -103,6 +103,7 @@ public class DefineExternalImage extends ImageTag {
         fileName = "";
         targetWidth = 1;
         targetHeight = 1;
+        bitmapFormat = BITMAP_FORMAT_DDS;
         createFailedImage();
     }
 
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage2.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage2.java
index 058f4103d..e854242d2 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage2.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineExternalImage2.java
@@ -47,6 +47,8 @@ public class DefineExternalImage2 extends ImageTag {
 
     public static final String NAME = "DefineExternalImage2";
 
+    public int imageID;
+    
     public int unknownID;
 
     public int bitmapFormat;
@@ -81,7 +83,7 @@ public class DefineExternalImage2 extends ImageTag {
      */
     @Override
     public void getData(SWFOutputStream sos) throws IOException {
-        sos.writeUI16(characterID - 0x8000);
+        sos.writeUI16(imageID);
         sos.writeUI16(unknownID);
         sos.writeUI16(bitmapFormat);
         sos.writeUI16(targetWidth);
@@ -103,6 +105,7 @@ public class DefineExternalImage2 extends ImageTag {
     public DefineExternalImage2(SWFInputStream sis, ByteArrayRange data) throws IOException {
         super(sis.getSwf(), ID, NAME, data);
         readData(sis, data, 0, false, false, false);
+        characterID = -1;
     }
 
     public DefineExternalImage2(SWF swf) {
@@ -111,12 +114,15 @@ public class DefineExternalImage2 extends ImageTag {
         fileName = "";
         targetWidth = 1;
         targetHeight = 1;
+        unknownID = 9; //?
+        bitmapFormat = BITMAP_FORMAT_DDS;
+        characterID = -1;
         createFailedImage();
     }
 
     @Override
     public final void readData(SWFInputStream sis, ByteArrayRange data, int level, boolean parallel, boolean skipUnusualTags, boolean lazy) throws IOException {
-        characterID = sis.readUI16("characterID") | 0x8000;
+        imageID = sis.readUI16("imageID");
         unknownID = sis.readUI16("unknownID"); // always 9
         bitmapFormat = sis.readUI16("bitmapFormat");
         targetWidth = sis.readUI16("targetWidth");
@@ -214,4 +220,14 @@ public class DefineExternalImage2 extends ImageTag {
     public boolean importSupported() {
         return false;
     }
+
+    @Override
+    public String toString() {
+        return tagName + " (i" + imageID + ")";
+    }   
+
+    @Override
+    public void setCharacterId(int characterId) {
+    
+    }            
 }
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineSubImage.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineSubImage.java
index c1ac30870..b3363eba9 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineSubImage.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/tags/gfx/DefineSubImage.java
@@ -47,7 +47,7 @@ public class DefineSubImage extends ImageTag {
 
     public static final String NAME = "DefineSubImage";
 
-    public int imageCharacterId;
+    public int imageId;
 
     public int x1;
 
@@ -81,7 +81,7 @@ public class DefineSubImage extends ImageTag {
     @Override
     public void getData(SWFOutputStream sos) throws IOException {
         sos.writeUI16(characterID);
-        sos.writeUI16(imageCharacterId);
+        sos.writeUI16(imageId);
         sos.writeUI16(x1);
         sos.writeUI16(y1);
         sos.writeUI16(x2);
@@ -113,7 +113,7 @@ public class DefineSubImage extends ImageTag {
     @Override
     public final void readData(SWFInputStream sis, ByteArrayRange data, int level, boolean parallel, boolean skipUnusualTags, boolean lazy) throws IOException {
         characterID = sis.readUI16("characterID");
-        imageCharacterId = sis.readUI16("imageCharacterId");
+        imageId = sis.readUI16("imageId");
         x1 = sis.readUI16("x1");
         y1 = sis.readUI16("y1");
         x2 = sis.readUI16("x2");
@@ -172,14 +172,9 @@ public class DefineSubImage extends ImageTag {
     public Dimension getImageDimension() {
         return new Dimension(x2 - x1, y2 - y1);
     }
-
-    @Override
-    public void getNeededCharacters(Set<Integer> needed) {
-        needed.add(imageCharacterId | 0x8000);
-    }
-
+   
     private void initImage() {
-        DefineExternalImage2 image = (DefineExternalImage2) swf.getImage(imageCharacterId | 0x8000);
+        DefineExternalImage2 image = swf.getExternalImage2(imageId);
 
         if (image == null) {
             createFailedImage();
diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/HasCharacterId.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/HasCharacterId.java
index 02dc83df5..2d0518777 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/HasCharacterId.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/types/HasCharacterId.java
@@ -7,5 +7,5 @@ package com.jpexs.decompiler.flash.types;
 public interface HasCharacterId {
     public int getCharacterId();
 
-    public void setCharacterId(int characterId);
+    public void setCharacterId(int characterId);        
 }
diff --git a/src/com/jpexs/decompiler/flash/gui/MainPanel.java b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
index 895c433a4..002618f51 100644
--- a/src/com/jpexs/decompiler/flash/gui/MainPanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/MainPanel.java
@@ -158,6 +158,8 @@ import com.jpexs.decompiler.flash.tags.base.SoundTag;
 import com.jpexs.decompiler.flash.tags.base.SymbolClassTypeTag;
 import com.jpexs.decompiler.flash.tags.base.TextImportErrorHandler;
 import com.jpexs.decompiler.flash.tags.base.TextTag;
+import com.jpexs.decompiler.flash.tags.gfx.DefineExternalImage2;
+import com.jpexs.decompiler.flash.tags.gfx.DefineSubImage;
 import com.jpexs.decompiler.flash.tags.text.TextParseException;
 import com.jpexs.decompiler.flash.timeline.DepthState;
 import com.jpexs.decompiler.flash.timeline.Frame;
@@ -4737,9 +4739,20 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
 
             List<CharacterTag> neededCopies = new ArrayList<>();
             for (int n : needed) {
-                CharacterTag ct = (CharacterTag) imageTag.getSwf().getCharacter(n).cloneTag();
-                ct.setSwf(swf);
-                neededCopies.add(ct);
+                CharacterTag ct = imageTag.getSwf().getCharacter(n);
+                if (ct != null) {
+                    ct = (CharacterTag) ct.cloneTag();
+                    ct.setSwf(swf);
+                    neededCopies.add(ct);
+                }
+            }
+            if (imageTag instanceof DefineSubImage) {
+                DefineExternalImage2 dei2 = (DefineExternalImage2) imageTag.getSwf().getExternalImage2(((DefineSubImage) imageTag).imageId);
+                if (dei2 != null) {
+                    dei2 = (DefineExternalImage2) dei2.cloneTag();
+                    dei2.setSwf(swf);
+                    neededCopies.add(dei2);
+                }
             }
 
             ImageTag imageTagCopy = (ImageTag) imageTag.cloneTag();
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
index 84132bef6..8055f5ea4 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTree.java
@@ -83,6 +83,9 @@ import com.jpexs.decompiler.flash.tags.SymbolClassTag;
 import com.jpexs.decompiler.flash.tags.Tag;
 import com.jpexs.decompiler.flash.tags.VideoFrameTag;
 import com.jpexs.decompiler.flash.tags.gfx.DefineCompactedFont;
+import com.jpexs.decompiler.flash.tags.gfx.DefineExternalImage;
+import com.jpexs.decompiler.flash.tags.gfx.DefineExternalImage2;
+import com.jpexs.decompiler.flash.tags.gfx.DefineSubImage;
 import com.jpexs.decompiler.flash.treeitems.AS3ClassTreeItem;
 import com.jpexs.decompiler.flash.treeitems.FolderItem;
 import com.jpexs.decompiler.flash.treeitems.SWFList;
@@ -261,7 +264,13 @@ public class TagTree extends AbstractTagTree {
                 ret = Arrays.asList(DefineTextTag.ID, DefineText2Tag.ID, DefineEditTextTag.ID);
                 break;
             case TagTreeModel.FOLDER_IMAGES:
-                ret = Arrays.asList(DefineBitsTag.ID, DefineBitsJPEG2Tag.ID, DefineBitsJPEG3Tag.ID, DefineBitsJPEG4Tag.ID, DefineBitsLosslessTag.ID, DefineBitsLossless2Tag.ID);
+                if (gfx) {
+                    ret = Arrays.asList(DefineBitsTag.ID, DefineBitsJPEG2Tag.ID, DefineBitsJPEG3Tag.ID, DefineBitsJPEG4Tag.ID, DefineBitsLosslessTag.ID, DefineBitsLossless2Tag.ID,
+                                DefineExternalImage.ID, DefineExternalImage2.ID, DefineSubImage.ID
+                            );                   
+                } else {
+                    ret = Arrays.asList(DefineBitsTag.ID, DefineBitsJPEG2Tag.ID, DefineBitsJPEG3Tag.ID, DefineBitsJPEG4Tag.ID, DefineBitsLosslessTag.ID, DefineBitsLossless2Tag.ID);
+                }
                 break;
             case TagTreeModel.FOLDER_MOVIES:
                 ret = Arrays.asList(DefineVideoStreamTag.ID);
diff --git a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
index 31cdc34be..47918386e 100644
--- a/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
+++ b/src/com/jpexs/decompiler/flash/gui/tagtree/TagTreeContextMenu.java
@@ -803,8 +803,11 @@ public class TagTreeContextMenu extends JPopupMenu {
             }
 
             if (firstItem instanceof CharacterTag) {
-                replaceWithTagMenuItem.setVisible(true);
-                replaceRefsWithTagMenuItem.setVisible(true);
+                CharacterTag ct = (CharacterTag) firstItem;
+                if (ct.getCharacterId() != -1) {
+                    replaceWithTagMenuItem.setVisible(true);
+                    replaceRefsWithTagMenuItem.setVisible(true);
+                }
             }
 
             TreeItem parent = (TreeItem) tree.getModel().getTreePath(firstItem).getParentPath().getLastPathComponent();