The only communities I have come across that is just Choji is this one. and this one.
If you have found more than share the love!
Here are a couple pictures for right now.
Heres a banner I found on google.
Here is a picture from Naruto II.
Choji as cartman.
The picture im getting on a shirt someday.
and finally, just a random cool picture I found.
P.S. I would like some other Chouji Icons if you have them. I can hardy find any online.