Step 1 apply Elmers Glue to the key. Step 2 Shake glitter onto key. Let dry for a hour. Repeat steps 1 & 2 for the back side of the key. How do you keep the glitter from coming off the key? SEAL it with clear nail polish top coat sealer!
"Cover a light bulb with a doily and spray paint it. The light will shine the pattern onto the walls." I don't know how I feel about flammable spray paint on a hot lightbulb. Maybe spray paint them silver and use them as non-light decoration?