Here is a gallery of photoshopped animals made to look like food or plantlife. I have to be honest and say that I was a little weirded out by some of the images, but the artists get an A+ for creativity.
I don't think I'll be eating kiwis anytime soon. Poor little guy.
[Images originated from Worth1000]
A mama duck leads her chicks across a 
This is obviously photoshopped, but very cool nonetheless. 
Ever wonder what the offspring would look like if you crossed a rhinoceros and a clown fish? Well, it would look something like this:
Woot! launched a contest last week where the challenge was to "modify a classic propaganda poster (or create a new one) for one side of the other in the pro- and anti-Microsoft conflict." Here is the 
