Check out these adorable Halloween Party additions: Milk Ghosts made from Zephyrhills Aquapod water bottles. From the site:
I was literally staring at my Zephyrhills Aquapod water bottle, lightbulb! I ripped the bottle wrap and cap plastic and voila, the shape of a ghost somewhat. I cut out pieces of black cardstock to make the eyes and mouth, filled them with milk and displayed a black and white straw!