Images are legal property!
Where to obtain legal (royalty free) images
Digital camera
Your own library
Web Sites: Below are Free Photo Sites
www.freefoto.com
www.clker.com
http://public-photo.net
http://www.usa.gov/Topics/Graphics.shtml
Any materials produced by the federal government -- reports, photographs, artwork, illustrations, you name it -- are public property, and freely available for anyone to use
There are literally millions of photos available from the feds. You'd be amazed at the variety and quality. Space photos from NASA.
Nature photography from the Fish and Wildlife Service, and the National Park Service. Pictures of money from the US Mint.
Historical images from the Library of Congress.
In the US, any image that dates before 1923 is in the public domain. That is, it is no longer copyrighted, and free for anyone to use, for any reason.
http://www.imageafter.com/images.php
http://www.sxc.hu/
http://en.wikipedia.org/wiki/Wikipedia:Public_domain_image_resources
http://www.photl.com/
http://Sunipix.com