Those are called
GIFS (Graphics Interchange Format).. some ppl get them from sites or search for them @
http://www.yahoo.com or
http://www.google.com and others..
The size limit for avatars (under ppl name) is 64 by 64.. Also, it can't contain any hental/porn..
To set your avatar up follow the steps below.
1) Go to "
Your Control Panel"
2) Go to "
Personal Info"
3) Then, "
Avatar Options"
4) You should see a place to put your LINK at.. (under YOUR IMAGE AVATARS)
5) After you put your link, click "Add my own image as my avatar"
Note: You could chose one from the list also.. Just hit "Add this avatar to my profile" when you select one..