Fila USA and FCB/Leber Katz Partners, New York, are putting Grant Hill (r.) through hell to make him a bad boy. New advertising earning acclaim in the industry has the nice guy NBA superstar getting instruction from ex-NBA rumbler Bill Laimbeer. The ads push Fila's latest Hill basketball shoes. Launching this week: "Shoot the Net," a sweepstakes via Mr. Hill's Web site (http://www.granthill.com). Fila, GMC Truck and McDonald's Corp. are tying in.