When having sex in your car in a public place make sure no photographers are lurking about.
I came across this site, tonight while surfing the net. It seems that the photographer happens to live right off an alley where people tend to go to have sex. He got tired of being disturbed, so he decided to get even. He started taking pictures of all the amorous love birds in the act. The looks on their faces are priceless, absolutely priceless