Use the deceased's tongue to lick a stamp.
Ask the widow for money which the deceased owes you.
Take up a collection to pay off the deceased's gambling debts.
Ask the widow if you can have the body to practice tatooing on.
Put Crazy Glue on the deceased's lips just before the widow's last kiss.
Show up at the funeral services in a clown suit.
If the widow cries, blow a trumpet every time she wipes her nose.
When no-one's looking, slip plastic vampire-teeth into the deceased's mouth.
Toss a handful of cooked rice on the deceased and scream "MAGGOTS! MAGGOTS!" and pretend to faint.
At the cemetery take bets on how long it takes a body to decompose.
Get someone to call you on your cell phone during ceremony and pretend your talking to the deceased person.
Goose the widow as she bends over to throw dirt on the coffin.
Circulate a petition to have the body stuffed instead of buried.
Tell everyone you're from the IRS and you're confiscating the coffin for back-taxes.
Promise the minister a hundred dollars if he doesn't keep a straight face while praising the deceased.
Write "Best before last week" on the top of the coffin when nobody is looking.
Accidentally sneeze on the deceased, and literally wipe the smile off his face.