Happy that help you for the fog. The good effect is a just color you use and the level density. But you must try to change colors for different environment, the colors of the sun, light fog, all have an importance for give a sensibility different as base setting. For the sky it's same thing, play with it, change colors make trying for create strange sky, and after some trying sure yiu fond original effect you can use for your futur scene. We have the chance with Vue to have a lot possibilities of setting and texturing. Laurent