Some more amazing, actual concept art, this time from the world's most famous SW artist, Ralph McQuarrie.
In what looks like an early draft piece for Jedi, this shows a mini Death Star standing guard over the main structure.
Would have been cool to see it in the movie, but we're betting the budget didn't allow for it...
Editor's Note: The planet below may in fact by an early drawing of Coruscant, given the circular cityscape on the surface.
According to Producer Gary Kurtz, one early idea for Jedi was going to involve a rebel attack on the Imperial capital).