creative commons license

Flickr has been offering users the ability to search by Creative Commons license since mid-2006, and I've been waiting for Yahoo to implement such a feature in their image search for quite a while.

I was pleased today to see an announcement that Yahoo has finally added a search by Creative Commons license to their advanced search feature.

Upon closer inspection of the new feature, however, I noticed this note on the search page:
  Read more » about Creative Commons Filtering Comes to Yahoo Image Search