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)
Homemade Jack Skellington and Sally Halloween Couple Costume Idea: Once my twins, Winston and Trudy saw The Nightmare Before Christmas last year, they said they wanted to be Jack and Sally for Halloween.