Unsolved how do i improve the sky texture?

so i want improve the perryville and the sky texture is already awful. but how do i improve that?

 

why no one reply to me. i just want revamp this

 

why no one reply to me

 

Do you have a link to this map? Beamng maps usually shouldn't even use a texture like that for the sky

 

i forget. but here https://www.beamng.com/threads/perryville-iteration-1-4.5446/page-4