Avatars: Account page,my space , click upload, select a group, click browse to find avy on your pc, click submit, if this is your 2nd avatar then click my desktop, click manage, click main.
Avatar Issues: Title all new uploads in caps. The most recent will be the bottom of your manage list. To organize your existing ones take some time to make each one your main then sit at an empty cash table to see what it is then title it by clicking on edit.