Public Domain Photo Links
Here are some resources for finding public domain photos. Keep in mind that many of these sites have restrictions which are different than this site.
Photo Archive at gimp-savvy.com: "The photo archive at Gimp-Savvy.com has more than 27,000 free photos and images, consisting of over 2.5 Gbytes of data." Very nice collection with indexing.
NASA JSC Digital Image Collection: "This collection of more than 9000 press release photos spans the manned space program, from Mercury to the STS-79 Shuttle mission. The collection includes a full text search." NASA should be acknowledged as the source of the material.
US Fish and Wildlife Service Image library: "Looking for images related to fish and wildlife? We have hundreds online, and thousands more to come..." Most iamges public domain. Credit requested.
Images of American Political History: "The intent of this collection is to support the teaching of American political history by providing quick access to uncopyrighted images for inclusion in teaching materials. All images are strongly believed to be in the public domain."
Wikipedia:Public domain image resources: The mother of all public domain image lists.
Stock.XCHNG: "Browse through the categories of our huge gallery containing over 34.000 photos by more than 1.500 users! Need a wallpaper for your desktop? Need a pic for your commercial website design? Looking for inspiration? Have a look around." Great image portal.
jvega.com Public Domain Links: Another listing of free photo sites.
openphoto.net A web site offering photographic resources licensed under a Creative Commons license.