diff --git a/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart b/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart
index 27241a9..fee0b53 100644
--- a/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart
+++ b/lib/api/marianumcloud/talk/chat/richObjectStringProcessor.dart
@@ -33,7 +33,7 @@ class RichObjectStringProcessor {
           return const Padding(padding: EdgeInsets.all(10), child: CircularProgressIndicator());
         },
         fadeInDuration: const Duration(seconds: 1),
-        imageUrl: "https://cloud.marianum-fulda.de/core/preview?fileId=${value.id}&x=110&y=-1&a=1",
+        imageUrl: "https://cloud.marianum-fulda.de/core/preview?fileId=${value.id}&x=100&y=-1&a=1",
         httpHeaders: {
           "Authorization": "Basic ${base64.encode(utf8.encode("${preferences.getString("username")}:${preferences.getString("password")}"))}"
         },
diff --git a/lib/screen/pages/talk/chatView.dart b/lib/screen/pages/talk/chatView.dart
index 1fabbf4..9e53e53 100644
--- a/lib/screen/pages/talk/chatView.dart
+++ b/lib/screen/pages/talk/chatView.dart
@@ -29,23 +29,27 @@ class _ChatViewState extends State<ChatView> {
     alignment: Alignment.center,
   );
 
-  static const styleOther = BubbleStyle(
-    nip: BubbleNip.leftTop,
-    color: Colors.white,
-    borderWidth: 1,
-    elevation: 1,
-    margin: BubbleEdges.only(top: 15, left: 10, right: 50),
-    alignment: Alignment.topLeft,
-  );
+  static BubbleStyle getStyleOther(bool seamless) {
+    return BubbleStyle(
+      nip: BubbleNip.leftTop,
+      color: seamless ? Colors.transparent : Colors.white,
+      borderWidth: seamless ? 0 : 1,
+      elevation: seamless ? 0 : 1,
+      margin: const BubbleEdges.only(top: 15, left: 10, right: 50),
+      alignment: Alignment.topLeft,
+    );
+  }
 
-  static const styleSelf = BubbleStyle(
-    nip: BubbleNip.rightBottom,
-    color: Color(0xffd9fdd3),
-    borderWidth: 1,
-    elevation: 1,
-    margin: BubbleEdges.only(top: 15, right: 10, left: 50),
-    alignment: Alignment.topRight,
-  );
+  static BubbleStyle getStyleSelf(bool seamless) {
+    return BubbleStyle(
+      nip: BubbleNip.rightBottom,
+      color: seamless ? Colors.transparent : const Color(0xffd9fdd3),
+      borderWidth: seamless ? 0 : 1,
+      elevation: seamless ? 0 : 1,
+      margin: const BubbleEdges.only(top: 15, right: 10, left: 50),
+      alignment: Alignment.topRight,
+    );
+  }
 
   final ScrollController _listController = ScrollController();
   final TextEditingController _textBoxController = TextEditingController();
@@ -78,9 +82,9 @@ class _ChatViewState extends State<ChatView> {
             BubbleStyle currentStyle;
             if(element.messageType == GetRoomResponseObjectMessageType.comment) {
               if(element.actorId == widget.selfId) {
-                currentStyle = styleSelf;
+                currentStyle = getStyleSelf(element.messageParameters?.containsKey("file") ?? false);
               } else {
-                currentStyle = styleOther;
+                currentStyle = getStyleOther(element.messageParameters?.containsKey("file") ?? false);
               }
             } else {
               currentStyle = styleSystem;
@@ -95,7 +99,7 @@ class _ChatViewState extends State<ChatView> {
               child: Container(
                 constraints: BoxConstraints(
                   maxWidth: MediaQuery.of(context).size.width * 0.9,
-                  minWidth: _textSize(element.actorDisplayName, _actorTextStyle).width,
+                  minWidth: showActorDisplayName ? _textSize(element.actorDisplayName, _actorTextStyle).width : 30,
                 ),
                 child: Stack(
                   children: [