Pretty easy if ya don't mind them in your house!
Actually, I have done it now for over a couple of months and have had quite a few successful batches! No matter what though, there's always a few of them that escape and end up under the refridgerator, or somewhere warm with crumbs to feed off...
Lounge lizards...
How about posing chams on tiny furniture, (Brings a whole new meaning to "lounge lizard!") Or in a tiny car like it's driving, or something silly like that?:o