Hi,.I would be keen to learn a wee bit more regarding the penalties for using another man's photographs,..the legalities, etc.... Many thanks, Phil.
Has someone used your pictures for commercial gain? In which case, you can literally send them an invoice and go the small claims court route if they don't pay
Under the Berne Convention, copyright is automatically held at the time of creation of an original artwork
Be careful how much you bill someone for though, as you may have to prove how you value a picture so high.
A good place to start is whatever Getty Images charge for use of thei