Films Media Group is the leading source of high-quality video and multimedia for academic, vocational and life-skills content. Films Media Group serves the education community through its four brands: Films for the Humanities and Sciences, Cambridge Educational, Meridian Education, and Shopware.
Collection focuses on both current and hard-to-find titles for educational instructional purposes, including literary adaptations, blockbusters, classics, Academy Award winners, and more.
Creative Commons is a nonprofit organization that works "to increase the amount of creativity (cultural, educational, and scientific content) in “the commons” — the body of work that is available to the public for free and legal sharing, use, repurposing, and remixing" (http://creativecommons.org/about/what-is-cc).
Creative Commons licenses provide a way for people to share their work and make it available for others to build on and reuse.
Check out the Creative Commons website for more information and details about CC licenses.
Here is a wiki on best practices for how to give attribution (credit) to images with CC licenses.
Need images for PowerPoints or flyers? Try these sites.