Ron Howard is just now finishing the luxurious 15,000-square-foot custom-made house he's built on 20 acres in Greenwich, Conn., next to the exclusive Greenwich Polo Club. All this property was once part of the Rosensteil estate known as Conyers Farm. "The Cowboy Way" -- the new flick from Ron's company, Imagine Films -- with Woody Harrelson and Kiefer Sutherland, opens on June 3. He's naturally hoping it's a big hit. To pay for all that square footage, baby needs a new pair of boots.