One of the reasons Houston traded point guard Kyle Lowry to Toronto for what essentially is a guaranteed lottery pick was to sweeten the pot in a potential Howard trade, sources said. In discussions with the Knicks, Heat and now Nets about a sign-and-trade for Marcus Camby, the Rockets are hoping to accumulate more picks to make their trade package for Howard more attractive. "The Rockets are definitely trying to make some sort of huge trade," said a person briefed on Houston's plans. "That's why they're trading all these things to get a bunch of picks. That's what they're up to." CBSSports.com The Houston Rockets continue to push hard to acquire draft picks and cap space in an effort to provide a package of assets that will entice the Orlando Magic to trade Dwight Howard, league sources told CBSSports.com Saturday. CBSSports.com