A really simple sky can be done like this:
-attach a cube to the camera:
-flip it
-set entity color to sky blue
-set entiyFX 1
-set entityorder 1 so it gets drawn first
either that or set camera CLS color to sky blue, which would look just the same (and pretty bad!). -attach a cube to the camera:
-flip it
-set entity color to sky blue
-set entiyFX 1
-set entityorder 1 so it gets drawn first