oSkope is a visual search assistant that lets you browse images and products from popular sites like Amazon, eBay, YouTube and Flickr in a highly intuitive way. You can skim thumbnails related to your search keywords and save search results from different services to a visual bookmark bar at the bottom of your browser screen. Flash required so ipad unfriendly
"About this site
Compfight is an image search engine tailored to efficiently locate images for blogs, comps, inspiration, and research. We make good use of the flickr™ API, but aren't affiliated with flickr."
Takes the magic out of copyright by: Helping you find out if a work is covered by U.S. copyright, Calculating its terms of protection, and Collecting and publishing the results (as a PDF) to save for your records or further vet with a copyright specialist