Have to create realistic painted cinder block walls - anyone have a brilliant idea? I've seen a technique that involves troweling on a thin layer of drywall mud over your hard-covered flat and, stippling to add texture, then scraping out grout lines. this seems time consuming -- I'd love to go about this more as an applique. Any ideas on a textured material that I can cut "brick skins" out of and apply to the flattage? Any ideas on creating this look are much appreciated.