- http://compfight.com/
- http://www.pics4learning.com/
- http://flickrcc.bluemountains.net/flickrCC/index.php
- http://www.fotopedia.com/search
- http://www.zoo-m.com/flickr-storm/
- http://pixabay.com/
- http://search.creativecommons.org/
- http://www.freephotobank.org/main.php
- http://mashable.com/2007/10/27/creative-commons/
- http://www.sitepoint.com/30-creative-commons-sources/
- http://copyrightfriendly.wikispaces.com/
- http://commons.wikimedia.org/wiki/Main_Page
- http://cwanamaker.hubpages.com/hub/List-of-Websites-for-Free-Creative-Commons-Images-Pictures-and-Photographs
- http://mediacommons.psu.edu/instruction/freemedia
- http://www.budgetstockphoto.com/creative_commons_images.html
- http://www.bluevertigo.com.ar/
