Two excellent links via Jenny Davidson: the Ugly Cake Contest (incl. "oozing scab cake" not pictured above) and an article about the afterlife of Lady Gaga's meat dress. A detail that caught my eye as esp. grotesque, re the relevant taxidermist:
Around the same time, he was asked to create a soda water dispenser from an elephant's penis. That commission came from a movie producer who had decided to build a drinks bar from elephant skin in his living room.