You may use any of the images as you wish including republishing them, copying them, redistributing them, provided that:
1) you store your image on your own server, website or computer and do not hotlink to the images on our site directly and
2) if you make use of any of these images by placing them on your own website you will give us credit by acknowledging the source of the images by providing a link pack to use at:
And that's it. That's not too much to ask for is it? Now we know that some of you will cheat and link directly to our images thus using up our bandwidth. Be careful though, we may change switch images on you and put something embarassing in their place!