Can anyone recommend an app that displays an iPad's owner's information when the screen is locked? This would be something like the option that is available on the Blackberry.

It would be nice to have in case the device is lost and someone wants to return it (unlikely, but there are honest people out there).

One option I thought of would be to create a wallpaper with this information and use that for a lock screen, but that's not very elegant and you wouldn't be able to change wallpapers without updating it with your information.

Any thoughts?