I've seen so many jack-o-lantern milk jugs, but I like these jugs with a yellow/orange glow.
Here's another type of ghost milk jugs with inexpensive solar lights you can buy from the dollar store.
Here's another variation with glow sticks.
Other things that can be made from milk jugs:
Here's a nice idea for garland or a banner. You can cut the milk jugs in any shape you want.
Check out the blogs I linked for directions on these projects and more ideas.
I linked this blog entry to:
This Mama Loves - Fun Halloween Crafts Roundup