A crash course about the basics of U.S. copyright laws.  Easy to understand and only 6 minutes!  Check it out:

 

For those works that are still protected by copyright, don’t forget to consider to determine if the work can be used in other more limited ways (from ALA.org). You can use the evaluator to help you decide whether you can use a work or not.  Also included are easy to use links to help you learn and understand more about fair use.