He should of course have demanded payment, and as long as they have used the photo, it doesn't really matter that they took it down again. If I eat your ice-cream, will you be happy if I spit it out again?
Mistake? No way. I ate your ice-cream by mistake? I don't think you would believe me. Bad excuse.
Mistake? No way. I ate your ice-cream by mistake? I don't think you would believe me. Bad excuse.