Flickr
Flickr hosts tens of millions of CC licensed images, accessible via http://flickr.com/creativecommons and http://search.creativecommons.org
Flickr's choose license implementation can be seen at http://flickr.com/account/prefs/license/ (you must be logged in to a Flickr account).
Flickr's implementation is of the drop down menu variety.
This article is a stub. You can help the Creative Commons by expanding it.
List of audio
A link to further results is found at the end of this list.
<ask format="table" limit="5" >
audio
</ask>
