Hi there.
I absolutely loved maps in CW2 where you had to fight the creeper by creating an AC stream (e.g. Black temple series by cha (http://knucklecracker.com/creeperworld2/viewmaps.php?author=cha)) along a field-heavy path, or the various rooms maps (e.g. Chaz (http://knucklecracker.com/creeperworld2/viewmaps.php?author=Chaz))
Having reached the most recent maps in CW3, I was surprised (and saddened) that I haven't found something similar.
So I started the editor for the very first time, read through the wiki, gathered code bits from everywhere and tried to adapt it.
Several hours later, I gave up. I managed to create a very poor proof of concept map, but I guess CRPL just isn't meant for me.
Maybe someone else will find the idea interesting enough to try...