First make the layer with the clouds, then make a new layer ( it's on the little window, should be bottom right, and place the render on the new layer.)
alrite thats good! but hey i think you would make a good CPT you communicate with everyone and you participate in meetings and do lots of things to help CS!.
have confidence good communication with others (besides me and simplex) have a positive attitude and be dedicated. Also, do you think that you could run CS all by yourself? If not then you are not ready.