From Disney's Hollywood Studios Wiki
Star Wars References
The building style is similar to the buildings on Tatooine, the Desert planet as seen in almost every Star Wars film (with the exceptions of III and V), and home of both Luke Skywalker and Anakin Skywalker. Also, currently, in it there are several Concept sketches and models from the Pre-production of Star Wars Episode I: The Phantom Menace.
At one time, when the ride was sponsored by Energizer, there was a energy Cell that would show some power fluctuations that would eventually turn into the Energizer Bunny.