More and more people discover Creative Commons
from Seth's Blog, he describes how to get and use incredible images for free from Flickr, under Creative Commons licenses. See the article here.
http://sethgodin.typepad.com/seths_blog/2008/03/where-to-find-g.html
Another resource for searching Creative Commons photos on Flickr is http://picturesandbox.com .
A tool to make e-greetings using these Creative Commons photos is http://phreetings.com .