I just found this cool little McDonalds tool to turn yourself into an Avatar character.
http://www.mcdonalds.ie/MMMMenu/Avatarize-Yourself.aspx
Just skip the intro and upload a picture of your face. Align it, and switch between Jake or Neytiri.
Here's me as a very hot Neytiri, if I do say so myself. My smirk gives her just the right amount of sass. Can avatars wear glasses?