I'll be posting my progress here. Just finishing up the lighting fundamentals tutorial, so that will be my first entry in here.
I found the concepts of digital lighting pretty difficult to comprehend at first, but as the course progressed and I got some practice - and not at least actually doing the all the exercises and working thoroughly on each of the four scenes. I gotta say I'm pretty happy with these results. More than happy to get some constructive criticisms on them though, on what I could've done even better or just general reflections.
@jlampel @Dostovel