This video provides a good overview of what the Creative Commons is and how it works. The portion regarding search.creativecommons.org has changed since the video was made. At this time, you can only use the search.creativecommons.org to find images that have been made available under a Creative Commons License.
Attribution By: Creative Commons Kiwi by Creative Commons Aotearoa New Zealand is licensed under CC BY 3.0. http://vimeo.com/25684782 This video by Creative Commons Aotearoa New Zealand, with support from InternetNZ, is available under a Creative Commons Attribution 3.0 New Zealand licence. A project of the Royal Society of New Zealand. Produced by Mohawk Media.
Please give attribution to the University of Minnesota Crookston