Easy Halloween project. Here's an easy and fun way to use your gallon jugs for Halloween before they head to the recycling bin. We found this project at Family Fun and its simplicity applealed to us. We also think this is a great substitute for younger children whose dexterity isn't up to snuff for pumpkin carving. You'll need: plastic gallon jugs black markers a craft knife a string of holiday lights Read the short how-to at Family Fun's website. These spirit jugs could line your walkway or sit in your window to greet trick-or-treaters come All Hallows' Eve.