Like this:
http://69.65.98.228/forum/attachments/7113_1197841609.png
But from these sprites:
http://www.spriters-resource.com/nintendo/mario/kart/smk/
There's Choco Island, Ghost House, Vanilla Lake, Bowser Castle, and I think that's it.
The person who did the one said it wasn't too tough, but he's no longer around. Could someone work on the others for me?