Crochet around a rope light to create a light-up rug. Good for; Christmas tree skirt, seasonal decoration or just because it's really neat. No instructions in the link, just follow a pattern for basic flat spiral and stitch around the rope light.
Dont have much space to grow your favorite plants? Try building a vertical garden like this one, designed by Susie Frazier. Using salvaged wood, threaded rods and bolts, and a handful of mason jars, you can construct a simple hanging planter to add a lot of green to your game. See original article for instructions.