DIY garden stones - use a cake pan (from the thrift store)! Also, using clear contact paper to hold the mosaic pieces in place while the concrete sets is kind of brilliant. There is also a link to easy stepping stones using flagstone and grout
Glow in the Dark Drink Station for Wine and Other items at a Island Party. Bury Glow sticks under the ice to illuminate a clear bowl or a cooler. Just Because it's a dark and doesn't mean you shouldn't be able to locate your favorite poison of choice!