I got a really good tiny little frog included with one of those Dinosaur model/diorama kits....along with some really neat saurians I was going to use and a few terrain bits.I think it was the Triceratops model....I see these in all the hobby stores.
Impact Miniatures has one:http://www.impactminiatures.com/index.php?option=elfother_profile&id=EO_TOAD