Looks very cool! I would also like to point out Cloudinary as a great service that features image hosting & upload in addition to filters. I think Instafilter.i

Looks very cool! I would also like to point out Cloudinary as a great service that features image hosting & upload in addition to filters. I think Instafilter.io could maybe get a leg up though if they offer and publicize a growing collection of available filters (perhaps a user-generated "filter store" of sorts).