1. Right click the pic.
2. Click "Save Picture As"
3. A box should pop up for the "My Pictures" folder in your Comp. Click save.
4.Once saved, double click the picture and edit it to resize to no bigger then 125x125 (if nessesary)
5. Go here: http://www.weforums.com/forums/member.php?action=editoptions
6. Click change avatar and scroll down to the bottom and click "Browse..."
7. A box should pop up with your pictures. Click on the picture, and click open. The file should appear in the text box next to the Browse button.
8. Click submit changes.
If that confused you I'm sorry.