Creative Commons is a nonprofit organization dedicated to sharing creativity and knowledge using free and legal tools. This site offers different kinds of licenses for each work available, and explains how you can use it for your own works and projects. Be sure to follow the licensing rules specific to each work, which often includes attributing the author.
This website, from the University of Minnesota, describes how you as an instructor can use Creative Commons, a nonprofit organization that offers free and legal sharing of creativity and knowledge.
