A complete start-to-finish scratch build of a classic Shasta Airflyte 16 canned ham trailer in O scale. The template I made and used is available for free download at:
http://oscalescratchbuilder.blogspot.com/2014/04/repost-classic-shasta-airflyte-16.html
Music tracks: "Alison," "Landra's Dream," "Medium Rock," "Minstrel," and "Thingamajig" by audionautix.com; used by permission under a Creative Commons license granted by the artist.