Open educational resources are free to copy, use, adapt, and re-share. There are other materials that are freely accessible to you and your students that may be suitable for your classes including library databases and internet tools.
Streaming Video From the Library
Academic Video Online: Premium
A multidisciplinary collection of videos that support a wide variety of subjects.
Films on Demand 
High-quality educational streaming video from companies such as Films for the Humanities, BBC, and PBS. Tips for Using Films on Demand(PDF).
Kanopy
Classic cinema, independent films, and top documentaries in streaming video. Includes Media Education Foundation Collection.
Nursing Education in Video
Supports the education and training of nurses, nursing assistants, and other healthcare workers
Streaming Video on the Internet
Nonprofit dedicated to spreading ideas about Technology, Entertainment, and Design.
PBS has some of it's content available for free.
Flickr use the Creative Commons to license photos - many are available for noncommercial reuse.
Access to open content provided by multiple institutions
Proquest website gathering primary resources documenting people and events important in African American history.