>>How much can I configure of the web messenger?

 

All the UI.

 

>>I need to add a picture of the user to the messenger window and also change its size and rearrange buttons. Is this possible?

 

Yes.

 

>>change its size

 

Please open IntegrationUtility.js.aspx file and modify the following code:

 

win=window.open(url,"",'status=1,width=260,height=450,resizable=1');

 

>>rearrange buttons

 

Cute Web Messenger UI definition is stored in layout XML file: ChatUI_IMMain.xml, ChatUI_IMChat.xml.