Yeah! There's an entire website that is devoted to making scenarios with CM.
Some guys got together and dissected the editor and how to make it work for everybody.
Try this website in general. There are multiple threads on making maps for all different types of terrain, situations, or whatever:
The Proving Grounds Design Tips
And this specific location in particular, for what a guy named Mad Russian, thinks about making CM maps. His maps are generally pretty well thought of:
Making CM Maps
If that doesn't help you, ask whatever questions you need to know, we'll answer them here.
Good Hunting.
MR