I feel like these ghost string lights would be pretty easy to make . get some of those plastic balls from the 25 cent vending machine at grocery stores to encase the light (for heat protection), then just some cheesecloth
Wedding Bell "Ghosts" - Tissue Paper Ghosts To call forth this gathering, use glue dots to stick construction-paper eyes and mouths onto white tissue-paper wedding bells, then drape them with cheesecloth.
Glowing Ghost Garland ~ Get in the Halloween spirit by adding this adorable illuminated ghost garland to a mantle, front porch or doorway. It’s so simple too! All you need is a strand of white lantern lights to cover with white cotton fabric.