As far as I can tell, it is illegal to sell them without your consent.  Under U.S., they can be used for a "socially useful purpose," but I don't see how selling them is useful.  Actually based on this article, you could possibly sue the person who is using your photo, though I doubt that you would get anywhere near the amount this guy got:\n\nA Los Angeles Times article notes that Nestle USA has been ordered to pay US$15.6 million to former model Russell Christoff for using his likeness without permission.\n\nA photo of Christoff appeared on Nestle's Taster's Choice coffee packaging and in advertisements for several years.