Alright, I will be making a tracing here tonight!
I'm planning on going the brand spanking new route, just because I want to make sure if fits as well as possible. If by some chance I come across something used that will allow a trial, well WHOO HOO I will go for it!
I have a picture of him from about a year and a half ago before we started any real work. He is on a little bit of a hill. This is about what his back looks like now.