Yesterday Jeff posted some excellent tips for improving my desert outbuilding, and I took them to heart. I repainted the driveway in basic black, then sprayed a thin layer of glue over the driveway and building. I sprinkled sand over all surfaces to give the place a weatherbeaten look. Then, I popped in some foliage for a bit more character.
I left the cargo module alone, since I might need it for other environments and I was pretty happy with it anyway.