This week, as you'll have gathered from all the publicity surrounding the event, it's Halloween. And this holiday is a tribute to all that is strange, surreal, fantastic, bizzaroïd... in short, everything that's a bit zany. We encourage you to go and see the Centre Pompidou's exhibition on surrealism over the holidays, but in the meantime, here's a selection of works from the gallery that have a curious je-ne-sais-quoi about them. People are strange, when you're a stranger...