Attached Link: http://www.amethysst.com/tutorial/skylab.html

Oops typo^^^^ supposed to be boxes,not coxes. I believe from my experience that they have more control than just in the skylab. I am no expert by any means,but this is how I change them.Also I made a tutorial for skies: See link.

Painting: The art of protecting flat surfaces from the weather and exposing them to the critic_____website