i have done some touch ups. I tried fixing the gaps between the sills using the vets as im not sure how to tightern bevels. the mesh was created in polys then conveted to subs then back to polys if thats any help. as for the colour i tried to copy this paint.

https://tbn0.google.com/images?q=tbn:ARnwihLcgX9hMM:https://users.wfu.edu/rudni5