In order to have a custom avatar, you have to have 100 posts. To look at the selection of avatars available to you, click the user cp button up top. Then, select Edit Options. Scroll to the bottom of the screen, and you'll see the avatar section. Have fun chosing one!
Hi Shirrell! Once you get to 100 posts, you can choose your own little picture. It's called an "Avatar." If you go to your "user cp" (little "button" up on the left under the Royal Canin ad), you'll get a new menu bar. Choose "Edit Options," and scroll down to the bottom - you'll see a thing that says "Change Avatar."