A good GM will use every resource available to create an immersive experience for the players. If some of your players are creative and like to design amazing settings, a little bit of encouragement can work wonders.

Transcript

Lama Su: Here's the clone factory.
GM: Sally, could you describe this for us?
{Montage of impressive and weird clone factory shots, showing endless rows of embryos growing in jars, clone kids, and adult clones, all surrounded by gleaming glass and metal gadgets.}
Obi-Wan: Wow...
GM: See, Ben, now that's how you design a set.