Howard Stern show sidekick, and occasional movie star, Artie Lange has been packing on the post-production pounds following filming for his soon to be released feature Beer League. Lange, shown on the right yesterday prior to his appearance with David Letterman on The Late Show, was practically svelte by comparison while filming Beer League. He's pushing toward 300 lbs now (he claims to be 275), even as his stock in Hollywood appears to be rising. So long as he doesn't tag a gig making a western, like John Candy and Chris Farley in their final films, he should be fine...