Creative Commons July 7, 2011 Here’s a 6-minute video that explains creative commons licences within the context of copyright.
Creative Commons: What every Educator needs to know December 4, 2010 http://static.slidesharecdn.com/swf/ssplayer2.swf?doc=creative-commons-1232979162956005-3&stripped_title=creative-commons-what-every-educator-needs-to-know-presentation via slideshare.net