Free Clipart, Photos

Vector Clipart

• openclipart.org 
• clker.com
• vecteezy.com
• dezignus.com
• vectorportal.com

Images

• nasa.gov

 flickr.com >search >advanced >Creative Commons (bottom of page)

 sixrevisions.com, 15 places to get free stock photos


Raster to Vector converter

• http://www.roitsystems.com/cgi-bin/autotrace/tracer.pl