The (fill in the blank) police will show up no matter what the show is! It's like a Law of the universe or something! I and 2 other women started a printing business and when we first started out we did all kinds of shows - for every (blank) out there who wants to make themself feel better by putting down your work there will be 10 wonderful people who will come up to you and say how great your things are. Just smile at the police and say thanks for the advice and dont look back! sharet