Cindy Sherman's Untitled Film Series exhibit from 1997 at the Moma. Good catalog description.

Image databases / repositories / collections.


http://www.graffiti.org/

http://www.bannerart.org/

http://www.artcyclopedia.com/

http://www.washingtonpost.com/wp-dyn/content/photo/index.html

http://www.berinsteinresearch.com/fiolinks.htm

http://www.deviantart.com/

http://www.liquidlibrary.com/
http://www.jupiterimages.com/
http://creative.gettyimages.com/
http://digitalgallery.nypl.org/nypldigital/index.cfm (NY Public Library
Digital Gallery)
http://www.clipart.com/
http://eol.jsc.nasa.gov/ (NASA Astronaut photography)

The Mechanisms of Meaning. http://www.reversibledestiny.org/book_tmom.php
I read that this book has some interesting ideas for doing visual compositions.