If you are looking for cels, or if you have some that you want to sell or trade, you can let a message here for other person. If you have questions regarding cels or want to share your experience and knowledge on this subject, don't hesitate to post on this board.
Some people do collect just pencil sketches.
Not as to whether the original seller chooses to sell dougas or not, it doesn't. WHY you took that as an attack is beyond me. It was a comment. Better that no one had harped on Inu-Yasha. Maybe next time people will think before going off on an innocent seller.