how do i make clouds in zone builder?

[someoneontheinternet]

i'm trying to add a cloud layer like in greenflower zone but i don't know how to do it, can someone help me with this please?

 

[Rolly Polly Pal]

While I'm aware this user is already banned, for those looking for an answer to the same question, the clouds aren't actually some separate layer. It's a skybox using 3 separate textures with a scrolling effect applied