Colored glass Instead of gravel in the garden or patio...you can get these at the dollar store.
DIY Garden Fountain : DIY Pond-less waterfall, this would make a great bird bath too for hummingbirds. I would love this in my backyard.
A rock maintenance strip around the house ... catches splashes, keeps siding clean and minimizes pests. Put your foundation plantings in front of the strip... so what I NEED to do!!!!
The 2 Minute Gardener: Photo - Dry River Stream Made from Recycled Glass