That's a great map to start out with. Welcome to the site! It's great to have people come out from lurking to get involved. Now woth a map like that you certainly deserve some rep.
I'm sure that you've seen the tutes, but I'd suggest that you dive in and give some of them a try. What software do you have access to? I'm sure with the ability to hand draw maps like that you'll get a lot of value from the tutes.