There are some anime cels for sale at PriceMinister :
http://www.priceminister.com/s/cellulo
you can also sell your cels here
If you want to buy something (anything on the site
) you can use this link :http://www.priceminister.com/p/Aeb0
and have a reduction of 7 euros on your 1st order !
(link only available if you have no account there)