Waterfall with rocks. Rocks made with roofing paper and boxes. Waterfall made with styrofoam insulation sheet, light blue tablecloths from dollar tree, streamers from dollar tree and cello wrap for Easter baskets.
Home Depot - Foil sound barrier styrofoam panels............................... styrofoam insulation with sound barrier foil on them. They are 4' wide by 8' tall, weigh about 3 pounds each, and are only $10.00 a panel.
How to Cover Popcorn/Textured Ceilings OR opt to clean by: Vacuuming w/brush attachment and gently sponging it with a tri-sodium phosphate solution, available at most hardware stores, mixed according to the directions on the can. Clean stained areas with peroxide or diluted bleach and a sponge