It may be a long shot, Stolen Camera Finder

Many modern cameras include the camera's serial number in the Exif data stored inside each photo.  If you ever have your camera stolen, this information may actually help you get the camera back.  A site called Stolen Camera Finder crawls the Internet searching for digital photos and collecting the serial numbers of the camera that took them.  If your camera is tolen, this site can extract the camera's serial number and search it's database for a match.