I enclose some pictures of my latest model - GPM 228 Panzerjagerwagen.
The tracks and rails are not part of this kit. I got them from GPM's Leopold, as they have the same size.
You can see construction pictures here:
http://modelismo-na.net/viewtopic.php?t=1976
It is a Portuguese site for modelling (99% plastic and 1% paper but I'm trying to reverse that :D)