The Chamber of Commerce and city of McMinnville are already feeling the heat for the Best of the Butts Charity Competition during Smokin’ in McMinnville on Aug. 11-13.“It will be a good competition,” says Martha Pierce, one of the event organizers. “We already have some signed up and are eager to compete, but there’s room for more.”This year’s Best of the Butts will have a charity spin. Teams will be competing for their favorite charity.