There is the video, just to show you an example of the bag and and a few things. If you go to youtube and search for sandbag exercises you will get a ton of hits and you can also search how to make a sandbag and once again you will get a ton of different ways to do it. Also sandbags are a good way for everyone else to mix things up. I like to hit mine up about once a week, just to mess with my body.
Use your creative mind, a lot of great bodies have been built without a gym or a barbell