I like the idea and signed up. I set a small (20x20) image as my background and was dismayed to see it sad and alone in the center of a black background. Could you add an option to tile background images?
This saddens me. I understand the need for such a service, but refuse to take you seriously with such a blatant disregard for originality and uniqueness. Next time a website inspires you, please don't copy + paste.