A little bit ago, I found this super neat Patchwork Pattern Maker from the Victoria and Albert Museum while browsing the blogosphere. You can upload a photo of anything and it creates a pattern for you. You can crop the photo, change the shape, decide how many different colors you would like to use, and determine the complexity of the piece.
Here's a quilt made from a picture of precious little Humphrey.
Here's one of me making a funny face.