Artist Keith P Rein is noted for his colourful and erotically charged illustrations. What do you expect when the P in Keith P Rein stands for penis.
When not working at his design studio, Rein makes pin-up style photos that often use visual puns and feature nudity. His work looks like a fusion of 1940s era illustrations, Japanese prints, and 1970s style movie post art.
The images in the above gallery are work safe. I think. The links below contain images that are not.
The P Is For Penis [Official Site]