EditedImages - The web's best photoshopped images
Artbreeder - Create beautiful, wild and weird images
Waterlogue - Magically turn your photos into watercolor paintings.
Codenail - Create art with your code and logo and order a poster of it
RePix - RePix helps you in batch resizing any image into a preset resolution and save it easily and quickly.
No Paint - A game to create your very own art masterpiece