Here are a few examples:
An Ideal Attribution
This video features the song “Play Your Part (Pt.1)” by Girl Talk, available under a Creative Commons Attribution-Noncommercial license. © 2008, Greg Gillis.
A Realistic Attribution
Photo by mollyali, available under a Creative Commons Attribution-Noncommercial license.
A Derivative Work Attribution
This is a video adaptation of the novel Down and Out in the Magic Kingdom by Cory Doctorow, available under a Creative Commons Attribution-Noncommercial-Share Alike license. Copyright © 2003 Cory Doctorow.