Copyright - Try Copytrack
Came across this site while surfing the Interwebs! Free service, you upload your images, this site searches the web with a 98% accuracy hit according to Practical Photography magazine and if your images are used without your consent or without being paid for, the team at Copytrack contact the person/site owners and uses a legal team to get the fees. From what I have read, its a WIN/WIN situation. They do all the work and you keep 70% of the fees with 30% going to them for the work and legal side of things.