In 1968, future Monty Python member Terry Gilliam was kicking around London, working as an animator. He was asked to put together an animated segment for a Christmas show, so he hopped over to the Tate and photocopied a bunch of Victorian Christmas cards for inspiration. The resulting film, The Christmas Card, is brilliant, bizarre, and delightful. Enjoy some pre-Python madness from the master:
If you liked that, check out Terry Gilliam explaining his animation technique in 1974.