1. 1. At the top of the forum, there are round buttons, click on the yellow-ish gold one that says "Profile"
2. If you look close there are smaller links in black that line the top of that page (above the info edit box, but below the large colored buttons).
Information | Preferences | Signature | Avatar | Friends and foes | Topic(s) being watched | Favourites3. Click on the one that says 'Avatar' or fallow this link
[You must be registered and logged in to see this link.]4. Upload a file from your computer or through a URL
5. Click 'Save'