Index: mythplugins/mytharchive/mythburn/scripts/mythburn.py
===================================================================
--- mythplugins/mytharchive/mythburn/scripts/mythburn.py	(revision 24513)
+++ mythplugins/mytharchive/mythburn/scripts/mythburn.py	(working copy)
@@ -732,28 +732,28 @@
 
     write( "Video length is %s seconds. Each chapter will be %s seconds" % (lengthofvideo,segment))
 
-    chapters=""
+    chapters=[]
 
-    thumbList=""
+    thumbList=[]
     starttime=0
     count=1
     while count<=numofchapters:
-        chapters+=time.strftime("%H:%M:%S",time.gmtime(starttime))
+        chapters.append(time.strftime("%H:%M:%S",time.gmtime(starttime)))
 
         if starttime==0:
             if thumboffset < segment:
-                thumbList+="%s," % thumboffset
+                thumbList.append(thumboffset)
             else:
-                thumbList+="%s," % starttime
+                thumbList.append(starttime)
         else:
-            thumbList+="%s," % starttime
+            thumbList.append(starttime)
 
-        if numofchapters>1:
-            chapters+=","
-
         starttime+=segment
         count+=1
 
+    chapters = ','.join(chapters)
+    thumblist = ','.join(thumblist)
+
     if getthumbnails==True:
         extractVideoFrames( os.path.join(getItemTempPath(itemnum),"stream.mv2"),
             os.path.join(getItemTempPath(itemnum),"chapter-%1.jpg"), thumbList)