After 13 years FAQoverflow is no more, due to a copyright claim from Reuters. I want to say that although PicRights are not scammers, they are scam-adjacent. They demanded I pay AU$970 for an image that had never been seen, uploaded by somebody else on StackOverflow, which then made data containing that image available to me under the cc-wiki license.
Copyright infringing image hosted at Stack Overflow [Note that PicRights have demanded that I remove the image. You can click this link to view the image as it appears on Stack Overflow. More information available on Reuters - Jason Hutchens]