I've seen them on other sites with forums, and it's a nice feature. ^^ Here would be an example:
![Image](http://i38.tinypic.com/4vh00m.gif)
They could have down-sized chickensmoothie pets that their trading, or examples of people's art if they are giving out requests for that. :3
Anyway, just an idea. If the mods say not to, though, then I won't. :3 And, I tried to put up a picture as this title, but it didn't work out too well. xD I'll keep trying...