gray areas in scenery

OK so I might have done something wrong somewhere along the line but WHERE???!!!. Let me first explain. I have large areas of gray in my scenery. Some cover about 100 square miles (diamond point and strom for example) Another covers the whole New York and surrounding area.(about 2-300 square miles and yet another place is upsyate New York with the scenery hap hazardly gray in smaller patches mixed with good but the latter covering maybe 5-600 square miles. I have installed mega scenery for NY flew it and it was good. then one day it was gray so I took it out but is still gray.I have installed "Lennarts Textures" and I have a slight suspicion it might have something to do with it. I have also found a scenery config tweak somewhere and was messing around with it a little. It to is a possible culprit. If anyone has an original scenery config could you send me one? Thanks for all your help! [email protected]