Image searches on the web.

1. picishare : a flickr search engine.
2. flickr search on rollyo.
   
3. CompFight.
4. flickrleech : one that I frequently use.
   
5. labs.ideeinc.com : Idée Inc is doing some pretty wild stuff in image search...
6. PictureSandbox : search across multiple stock photo collections at the same time.
7. Multi Colr Search Lab : Search Images from Flickr based on Color!!! from Idée Inc
8. Visual Search Lab : Search Images based on the visual content of other images!!! from Idée Inc
9. BYO Image Search Lab : : Search Images based on the visual content of other images!!! from Idée Inc