Registration is now taking place for the 2012 Best of the Butts competition. The best-tasting Boston butt will net $1,000 for the winner’s favorite charity.“Do you know a grill master and want the chance to win $1,000 for your organization?” event organizer Martha Pierce asked. “The winning charity will be determined through the crowd’s popular vote.”Best of the Butts will take place Aug. 10 during the fourth annual Smokin’ in McMinnville cookout at McMinnville Civic Center.