Yes in the config and in using WM scenery one without the other would be useless.
But there are also changes that have to be made in the terradata.zip file.
Oh and Harold you also have to know how to set-up a video card and the .cfg settings and everything else.
but you already know that and that's why you're helping out someone in another post.
and of course taking full responsibility to fix anything that might go wrong no matter what the cost or even if the user crashes due to some misunderstanding or maybe even a typo of yours.
Im sure that you have taken everything into account probably even checked to see that they weren't using the family machine or something like that.
Harold do you have FSX installed even

???