Here are the first few scenes i've done incorporating all these new elements together. I think the new people that gradually appear in the scenes are a good addition because otherwise whilst the camera pans around the scenes there would not be too much going on. I think the camera transitions work very well between the scenes.

So here is one of the new big backgrounds with multiple scenes on it. Some of the scenes are upside down because one of the camera transitions involves a 180 degree rotation. Above is a test video showing how the camera transitions and scenes look.