Here are some hand drawn layouts. To the left, it looks like it says 'Darth Vader's meditation chamber'. And, I believe to the right, are some sketches of the home cave of the Wampa. If you recognize these scenes, please give me an e-mail.

To find more information about Wampas or Darth Vader, please visit the official following web site's pages at:
http://www.starwars.com/creatures/wampa/
http://www.starwars.com/characters/darth_vader/