I have about 60 doujinshi for sale on my dreamwidth account. If you don't have an account there you can comment by using OpenID, there is no registration needed if doing that.
Canons: Kuroko no Basket, Prince of Tennis, Katekyo Hitman Reborn!, Working!, Magi, Bleach, Kamen Rider, Neon Genesis Evangelion, Yu Yu Hakusho, Dir en Grey
Preview of a few:
(FIND THEM HERE)