This has been one intense project. We've talked about lighting techniques used in hybrid lighting scenes, including when to use ambient light to light a scene in comparison to direct light. We've also taken a look at many different materials with varying properties, including:
That's a lot! The key to making each one work is to try to simulate how it may actually work in real life. Sounds obvious, but many users forget when the time comes to actually make the materials. Good luck blending!