I've been using this method for paperpiecing for several years. The tutorial that helped me the most was this one:
http://www.twiddletails.com/store/in...age=page&id=21
There are several tutorials on paperpiecing with freezer paper, but this one clicked for me. Another thing I discovered that was especially helpful was the letter-size freezer paper from C. Jenkins so you can skip the step in the youtube video where she sews the outline through the paper. It goes through my printer with no jams at all. The website is
http://www.cjenkinscompany.com