This site attributes proper credit and licensing information to all photographers whose work we use.  All Shutterstock images have been properly paid for and purchased; all FLICKR and WikiCommons images are attributed in the manner according to the rules of those sites.

Although no cosmetic work has been done to any photograph, some pictures may be cropped for proper sizing in articles.  All unattributed photos are original works or licensed under terms not requiring attribution.

FLICKR CREATIVE COMMONS LICENSING AGREEMENT

SHUTTERSTOCK LICENSING AGREEMENT

WIKICOMMONS LICENSE