START HERE: Below you will find some great videos that I have collected over the years, but Coach Matt from Primal ATC has created some helpful playlists from the videos that he has posted over the last eight years, so that is probably the best place to start. If you go to the bottom of his YouTube homepage, he has a series of videos on discus and shot put. Watch all videos in each series, and practice the moves at home. Click the "Playlists" tab to get more great series.
In addition, here is a link to a great series on weight training from the University of Nebraska. Click the links to see videos demonstrating variations on the power clean, bench press, squats, and more. Pay attention to the torso training videos.