Four Points of Fair Use by Common Sense Media
The Code of Best Practices in Fair Use - Center for Social Media
Tools for Supporting the Fair Use Reasoning Process
These are images that the artists have given permission for others to use, however, they should still be CITED unless it is says otherwise.
Use this site to get pictures to put into your presentations. It is a copyright-friendly site because permission has been given to use all images for educational use. Search Creative Commons
Search for and download properly attributed, Creative Commons photos for school!
PicDrome - Public Domain Photos
Still can't find the image you want? Try browsing this list of sites with copyright friendly images.
Support and Suggestions for using Movie Maker