For inspiration: Painted cross-stitch on walls. You could project a regular cross stitch pattern on the wall, use colored pencils lightly to mark the colors in the design, and then just paint over them using acryic paint. Just gorgeous!
painted Two-Tone Door We always look to One Kings Lane special-projects-editor Megan Pflug for design ideas, because she's a painting master. Adding neon color to a door will breathe new life into a familiar surface.