Does a backsplash really have to be standard issue tile? Or even match your kitchen for that matter? Behold a visual potpurri of atypical backsplash ideas. If you don't see your favorite here, go away with the license to make something up on your own.
Honey onyx and black marble backsplash.
Blazestone tile backplash.
Whole copper backsplash.
[Top image: Klimt mosaic backsplash via Flickr]