To create some quick concepts, I used some of my reference pictures. I combined them to make a scene, then painted over them to create these pictures. They are in black and white at the moment, as I didn't want to go into too much detail. These are early days, and these just rough concept sketches that I produced quickly.
The next step in the concepting phase is to work out a colour scheme. I'm going to paint over these to see what different colours look like.