It was suggested a few weeks ago to do a video on how to hook up and use the programming track I built a while back to my laptop and how JMRI works. Here it is I hope it helps. I also put a link to the JMRI website below. http://jmri.org/help/en/html/apps/DecoderPro/index.shtml I purchased the SPROG II from here http://sprog.us.com/shop.html Intro: http://www.youtube.com/Alexbau01 http://freemusicarchive.org/music/Pod... Music: http://freemusicarchive.org/music/Doctor_Turtle/Flush_Your_Rolex_1416/unexpected_hoedown_in_bagging_area