I did a whole thread on installing a sound decoder in my Athearn 2-8-0 a while back. I was never able to get a quality video of the finished product, however I've got a new digital camera that has a little better video quality. From this angle you can see the coal load was raised a bit, it doesn't look so obvious from normal viewing angle haha.. anyway.. here it is.. [nomedia="http://www.youtube.com/watch?v=3l5TeGleYbY"]YouTube- Broadcast Yourself.[/nomedia] Here's a pic showing the size of this thing if none of you have ever seen one in person. that's a normal sized x-acto knife off to the side..