Here is the environment for that last pic - as a JPG. I have it also in an HDRI.
You can see that in one side it is cloudy but i the other bright sun. Lovely mixed light you get in Scotland.
I can also see that the shadow exetnds a little bit more from the car. but I wanted to light the top of my car to make the silver paint "POP". I might make the shadow a little less dark.
LINK (SWF file) : Panorama view