Yes, of course, but I believe you don't have the latest KFLL version, we had an update in April which should have fixed just that. We'll update all the other sceneries too.
I have the latest (1.2.5) for KFLL and it's much better than before but, due to the extensive use of DXT3 textures for high ground res, it still takes 1-2 seconds (without pause of the sim) to load all the high res ground textures.
On a recent released scenery I participate as beta tester, after several tries, only the borders are in DXT3 (for smooth transition with default scenery) as the center textures are in DXT1. It makes really a huge difference to load the scenery when there are lot of high res ground textures.