Here's some videos I did a few years ago. Program source on Github.<p><a href="https://www.youtube.com/playlist?list=PLvGnzGhIWTGRuIsHzDLdeWS4GSZ9CIY-b" rel="nofollow">https://www.youtube.com/playlist?list=PLvGnzGhIWTGRuIsHzDLde...</a>