Halloween is rapidly approaching so it is time to make cool spooktacular crafty things like these Spirit Jugs from Family Fun. The process is pretty simple. You just get some jugs to draw ghost faces on and buy a string of holiday lights to light them up - Family Fun suggests a "string of 50 clear low-wattage holiday lights."
Family Fun says to leave the caps on the jugs while you draw the ghost faces on them - that sounds like a wise tip.
Marthastewart.com has a similar concept for Tin-Can Jack-o'-Lanterns. This idea is like the ghost jugs but with tin cans, candles and robot faces. You can always do both. Or use Martha Stewart's idea on the jugs and make Robot Ghost Jugs.
If you want something simpler that's also green you could simply install these orange bulbs for a Halloween glow.