Photos for Class is a free Creative Commons image search engine that was launched in late November. The service is designed to help students find and accurately cite images. Images downloaded through Photos for Class have proper attributions automatically added to them. This service is now available in Edmodo too.
Photos for Class can be found in the Edmodo app store. The app is free. You can install Photos for Class Edmodo app with just a couple of clicks. Once installed all of your students can start searching for and downloading Creative Commons licensed images.
Applications for Education
I always advocate for students to use their own pictures or public domain pictures in their projects. For those times when appropriate public domain images cannot be found and taking their own pictures isn't practical, a search for Creative Commons-licensed images through a tool like Photos for Class is a good tool for students to use.
Disclosure: Photos for Class is owned by Storyboard That. Storyboard That is an advertiser on FreeTech4Teachers.com