Avatars are small graphical images that you may choose in your profile.
They are displayed below your username on all posts that you make.
You can select the image that best describes yourself from your profile options.
Here's the list of currently available avatars:
If you have at least 0 posts, you can choose these avatars:
"Play it louder!"
Caution: Humping Zone
Drug Free Zone
I can't stop ravin!
Skull + Crossbones
Trancer in a bad state
If you have more than 0 posts, you may also specify your own custom avatar.