[salannelson]

You know...the little pic in the corner when you post on a thread?

 

[omegaman]

I use Photobucket, just set up an account, send your pics there. copy the code and post it into the thread you want.

I think that is the question you are asking, as you already have your avatar sorted.

 

[krmathis]

Just go to your control panel and upload one.
http://www.head-fi.org/forums/profile.php?do=editavatar