As a SciFi/Fantasy book lover I was disappointed in the lack of good screen saver images for my Kindle. I stumbled upon Cadwalader Ringgold's photo stream (
http://www.flickr.com/photos/36329240@N06/) of wonderful scans of old zines and books. He gave me permission to make my conversions public so here is a link to some of my favorites that I converted to black & white and sized for my Kindle.
http://picasaweb.google.com/justjeep...eat=directlink
Enjoy!