Wedding guests customarily bring gifts, cards and well wishes for the newlyweds. They look for a card box (or cage, suitcase, crate, house, mailbox, vase, etc.), place their card inside and continue on to the party. They usually don't give it another thought...unless something goes wrong. It's unfortunate but a truth we must address when planning a wedding- wedding crashers exist. Sometimes they're fun, like these guys... ...and sometimes, they're not welcome at all, like this guy. Last year…