Edit 1: Just going on a hunch, I've moved the pics to this post.
An update
Added lights, a 3rd level, and more. As before, what I really need is feedback on the design. Because of the unique environment, I'm really not sure what kind of props to add or how. I figure getting the design finalized will be a big help towards that end.
Download http://forums.tf2maps.net/downloads.php?do=file&id=614
An update
Download http://forums.tf2maps.net/downloads.php?do=file&id=614
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