A few nice funny images I found:

Funny Dog Pictures – Frisbee Dog Hits Tree

Image by Alex Jarvis
ihasahotdog.com/2008/03/11/funny-dog-pictures-frisbee-fail/

Snow leopard cub in a funny position

Image by Tambako the Jaguar
One of the cubs in a stone corner in a funny position!
Taken at the zoo of Basel.

Cute and funny sitting Villy

Image by Tambako the Jaguar
Next one of him, looking funny with his open mouth!