Amazing Picture Machine

http://www.ncrtec.org/picture.htm

American Memory:  Historical Collections for the National Digital Library

http://memory.loc.gov/

Clip Art Universe

http://www.nzwwa.com/mirror/clipart/index.html

New York Public Library: Picture Collection Online

http://digital.nypl.org/mmpco/

Pics4 Learning (Great photographs in a searchable database)

http://pics.tech4learning.com/

Science Graphics

http://www.coe.uh.edu/archive/science/science_graphics/sciencegraphics.html

Washington as it was...Photographs to download

http://lcweb2.loc.gov/ammem/thchtml/thhome.html

Discovery School Clip Art

http://school.discovery.com/clipart/index.html

Google Image search

http://www.google.com/imghp?hl=en

Sound Central

http://www.soundcentral.com/index.shtml

Freeplay Music

http://freeplaymusic.com/