Not sure what you mean with "your turret models".
If you mean the ones used in Khoonda's Battle, it are the exact same turrets, with fixed camera positions (the one also seen in the .bik to be exact)...
Or not what you meant?
I mean the models actually are not showing their geometry on certain sides. As in parts of the model are literally see-through. If my screenshot is compared to this image
you will see that parts are missing from the turret. This may have been in the original version, and Obsidian just didn't expect anyone to see the turrets from that angle, but regardless it is still noticeable when their are cameras at each turret.
An idea I had to make this better was to have the camera angle higher on it or at a barrel angle , but that could just be more trouble than it's worth.
Another thing I noticed is that no matter how much I "fix" them, the turrets don't help me at all in the battle. They don't even fire.