Each person qualifies for more avatars the more they post. The levels are as follows:
# of posts
========
20
30
50
100
200
I will eventually add more avatars, and will add more categories too, especially for those with 700 or more posts. But for right now, that's what we have

If you happen upon a source for avatars let me know. I downloaded 2,000 avatars and only selected less than 100 to upload. A lot of them were Pokemon and wizardry type things, fantasy world stuff. I want to keep to a certain theme here LOL