A digital update of a drawing from 2009.
A silly possum, hanging upside-down. If you've ever seen a possum in real life, they are nowhere near this cute. In fact, they are terrifying creatures. I'm unsure if they actually hang out like this but I see it in cartoons quite often.

The original picture: http://lorddominic.deviantart.com/art/Silly-Possum-2009-278833252