extract the DMT from their brain, if there's any left (they prob used it for their final journey, so no promises there will be any there)...
take it for motorcycle rides...rig up a release mechanism and drop it while going down the highway to freak people out when they run it over :2thumbsup:
^ thats a really good idea. I know its been said but the idea to put in the passenger seat of a car to take advantage of carpool lanes is the best. I would abuse that dead body going high speeds everyday tell it rotted.
A variation on broony's idea; Use it as a passenger to get access to 'disabled' parking bays. ["Sorry mate but he finds walking difficult"]