All the images on his site are locked so I can't show you a sample, but go here to have a look. Click on the 'Projects' label in the upper right corner to see the images.
CONTEST UPDATEWow, there are some great ideas and connections flowing in! I now have about a dozen favorites, up from five not too long ago.
You have until midnight Sunday wherever you are to send entries to the metaphor contest. You can enter as often as you want and you might win art!