foam boards from Home Depot covered in damask fabric = gorgeous DIY upholstered wall hangings. RP: Use foam boards or MDF boards (covered w/ felt or painted) to use as back drops for photographing wall hangings.
DIY Home Office Bulletin Board from a huge piece of foam insulation board. Attach the fabric to the back, using large pieces of clear packing tape (or duct tape or flat thumbtacks. whatever floats your boat).