This is my second crack at a one of the great competitions here on these forums, and really, my second crack at LuxRender, for that matter.
Here's what I have so far-- still very much WIP:
This one was baked to 1.66 kS/p.
I'm going for a nice dew drop hanging off of a piece of grass. The drop is off to the left because I haven't come up with exactly what I'm going to fill the right with.
