The crack is, to find 50 'dark' movie titles in the disturbingly Hieronymus Bosch style painting.
Totally brilliant, and it just cost me a morning (well, just over 2 hours). Good job I got a day off.
Have a go, and if you get stuck you can highlight my answers (below).
12 Monkeys, 39 Steps, A Clockwork Orange, Alien, Beetle Juice, Blade, Blue Velvet, Children of The Corn, Childs Play, Dark Water, Eraser Head, Friday The Thirteenth, Halloween, House of Wax, Jaws, Leprechaun, Lost Boys, Nightmare On Elm Street, Piranha, Pitch Black, Psycho, Pumpkin Head, Rear Window, Rosemarys Baby, Saw, Scream, Seven, Signs, Silence of The Lambs, Sixth Sense, Texas Chainsaw Massacre, The Birds, The Butterfly Effect, The Candy Man, The Creature From The Black Lagoon, The Crow, The Dead Zone, The Fly, The Grudge, The Hills Have Eyes, The Howling, The Invisible Man, The Mummy, The Omen, The Ring, The Shining, The Village, The Wickerman, Twin Peaks, War of The Worlds.Enjoy. Some of them are whore hoppers from hell.