DIY Lantern With Christmas Lights Pictures - This is a cute idea, but I wouldn't use plastic, I'd use a glass vase from the dollar store for fire safety.
DIY: Lunchbox Container from a Milk Jug :-: pack smarter, replace all your disposable plastic sandwich bags with a DIY container.
Table decor made with Plastic water bottle
Bleach Bottle as Cat Litter Scoop or any other kind of scoop. Cut diagonally across the middle of an empty, clean bottle, toss the base, and use the half with the handle to scoop up soil or cat litter.