Hold on to your hammer, Thor fans. These new pics from the set of Alan Taylor's 'Thor: The Dark World,' finally give us a great look at what the Dark Elves of Svartalfheim will look like. Not only that, but we have some great images of old Malekith the Accursed himself (Christopher Eccleston). Obviously he and his warriors will be augmented by CG, but it gives us a good idea of the basis. I love…