Need to be more specific here.
First, we can't see your C: drive Program Files, so your link does not work. Upload the image to Trainz Gallery and then post the link from there.
Second there are two trains; The GM Train of Tomorrow was a more conventional passenger train with special features, the GM "Aerotrain of Tomorrow" was a unique design that had a distinctive loco and used bus coaches for cars. The Aerotrain of Tomorrow is in the Trainz Store. But as Jordon412 said, I also know of no one who has done the GM Train of Tomorrow.