@diggndeeper @sparkes983 Thank you for your remarks. I did a re-render this morning as I still wasn’t content with it.
Here’s a comparison:
old
new
old
new
The black specles are supposed to be bits of mud. I made a little bit big, otherwise the tiling of the texture is far to obvious.
Here’s the node setup for the windshield:
node setup for glass windshield
The glass is also dependent on the lightning, so here’s the camera and lighting setup. (I used the forrest.exr that comes with blender for the hdri setup):
cams & lightning setup