Years ago I found this image online:
I thought it was funny but not terribly well done. I was doing some photo-retouching and photo illustration at the time and decided to re-finish it.
Recently my brother saw someone using my re-finished version as their background for their iphone touch. I was amazed it was still floating around out there in the social ether. I decided to dig it up and post it.
Here it is:
I don't know who put out the original, but thanks whoever you are, it was great collaborating with you.