Ambergris actually isn't a smelly rock...
                                
                                
                                    (Newser) -
                                    One British man is poised to become $68,000 richer thanks to his dog's interest in stinky garbage—which, in this case, turned out to be a soccer ball-sized lump of whale vomit, reports the  AP . Ken Wilman was walking his dog Madge along a beach in northern England...