On a fairly regular basis I'm asked for suggestions on places to find public domain images. I have a handful of go-to sites that I usually recommend. Pixabay is currently my first recommendation for a place to find and download quality public domain images.

Royalty-free Nature Stock Photos. Use them however you want.

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 120 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

http://www.loc.gov ) has launched an initiative to build a World Digital Library (WDL). Its first partner is Google, which has made a $3 million contribution. In contrast to the Google Book Search and Open Content Alliance strategies of digitizing all books, the WDL project will focus on digitizing "rare and unique cultural materials held in U.S.

The

Free high resolution stock photography. No copyright restrictions. Submit your photos.

Here at Ars we're big fans of Creative Commons, both the idea behind it and the work that gets produced. As publishers, we benefit from Creative Commons in a number of ways-we look things up in Creative Commons-licensed Wikipedia (used with caution, of course), the Creative Commons-related policy issues that we cover give us a steady stream of great news content, and we make use of Creative Commons-licensed images in our news stories.

Free stock photos (high resolution) for personal and commercial use. 7 new photos every week. Just make something creative!

License Use Search Box, click #Tag under the photo or choose Category to see images what you looking for. Everyday new pictures. Enjoy!

Photos and the Internet go together like peanut butter and jelly. For as long as there have been web browsers, people have generously posted photos online--which other people have then downloaded and used for their own purposes, whether or not they've actually asked for permission.