Paint blocks of wood with glow in the dark paint, then have some fun with black paint for their faces. OR Paint the wood black and the faces with glow in the dark paint so the eyes and mouth "float in air".
To illuminate a carved pumpkin, string lights are preferable to candles for most designs: Wrap a strand of 20 lights around a glass jar, and secure wires with tape. Cut a hole in the hollowed-out pumpkin for the cord, and place jar inside.
Turn those lovely blue, wine bottles into one-of-a-kind vases! Free tutorial with pictures on how to decorate a bottle vase in under 20 minutes by decorating with spray paint, contact paper, and wine bottle.