Using Images Legally
The sources below provide free-to-use images for educational purposes. Just remember to cite the author in your presentation or paper.
Search free-to-use images from Flickr, Google, Yahoo, blip.tv, and OWL Music Search.
Find Creative Commons, GNU, or open source licensed images. Select advanced search to access search options, such as limiting by license type, picture size, or shape.
Search images from over 35 million photographers.
WikiMedia Commons has “a collection of 81,415,702 freely usable media files to which anyone can contribute.”
Find over 1.25 million archived prints and photographs.
Discover user contributed clip art that can be freely used.