You can also see the result on the video below. For the second clip I've removed the reflections for Material_One and made the horizon (at the world options) a lot darker. I've also enabled Edge under the Render - Post Processing options and set the Threshold to 120. As you can see we're getting an entirely different look in just a few clicks. Music is CC-BY Coruscate: Resq Rabbitz The Archipelagos Of Sandy Lagos
You can get both the final .blend files from here.