From the Clever Sheep comes

Creative Commons in the Classroom

Where can I find material?

Sitepoint:  web page listing links to CC music, images, text

Music  Jewelbeat

Images 

Behold: search good quality flickr images by license   Flickr Advanced Search: photos, videos          

Flickr Related Tag Browser:  learn to tag, very fun       Google Advanced Search:  usage rights = labeled for reuse

ImageCodr automatically get the html code and attribution 

Search by CC

Description of the CC Licenses