The printmaking department at the University of Texas at Austin does this once a year as well. Check out pictures from this year:

http://www.brandonboyle.com/Steamroller%20Madness%202008.html

Yes, but will you use it for Energy, Food, Smithore or Crystite?

Reminds me of Isabel Samaras' painting Samantha and the Darrins:

(NSFW)
http://www.astrocat.com/samaras/samantha.html.

I know the replacement thing happens often in daytime tv, but I can think of only a few in prime time... Becky on Roseanne, Laurie on That 70's Show... other examples?