One of the yearly traditions at Lucasfilm and all its related companies is the big Halloween party thrown by ILM and its staffers. Every year the artists at ILM create a unique card for the event featuring original art. This year's card is an homage to the old horror pulp paperback novels.
The official Star Wars site has an exclusive look at the making of this yearly tradition. Head on over there for more. Here's a look at some of the other invites from previous years: