Your "chat profile" is not editable, since that information is filled in from your community profile automatically. You can, however, change your user icon while in chat (even though it's grayed out). You can also set your user icon (avatar) in chat permanently by following the directions while editing your general community profile:
http://forums.psychcentral.com/profi...do=editprofile
These chat profiles weren't displaying quite properly, but this has now been fixed.
DocJohn