A metallic plaid wallcovering and a subdued plaid on the duvet color are a blend of lavender, sage green, gray and silver in a master bedroom by Sally Preslar and other designers from Ethan Allen. The mink-brown furniture is a "retro '50s Art Deco interpretation" from the company's Avenues collection. The room is in the designer show house sponsored by the Florida Orchestra Guild. It continues through March 30 at the Villas del Verde, 6240 Vista Verde W, Gulfport (off Gulfport Boulevard west of Stetson Law School). Hours: 10 a.m.-4 p.m. daily, noon-4 p.m. Sundays. Tickets: $10. Information: (727) 343-1582.