Buy white paper lanterns at any party store. Print out Jack Skellington pumpkin carving pattern (also pinned here). Cut out pattern. Tape or glue to lanterns. (You can also light them up with string lantern lights)
You can use trash bags to make amazing Halloween decor! Trash bag spider webs are a fun and easy project. Cover your porch in spooky spider webs with this easy tutorial (step by step instructions and video tutorial). Could be white bags too!