I can help you with your bottom picture,it's flight simulator not refreshing your scenery as you get closer to land so try a manual refresh if you don't know how to do this i will show you how to,go to the control options in your option menu scroll down until you find the refresh option,now asign a key stroke to it,i use the pause\break button.So from now on when you see scenery like this press your keyboard shortcut to refresh the scenery,that's what i do with my photo real scenery and it seems to work.