Free use flickr

Taking Creative Commons further, a Free Use group has been set up on flickr which has at the top "The photos in this group are available for use by anyone. There is no need to give credit or to fear rights infringement. These images are posted by their creators. By posting to this group, you're allowing freedom of use.We know that these images still have the "rights reserved" stamp on them. Frankly, we don't know how to get this removed yet. We're working on it. " There may be some images here which are of use in your teaching or presentations.