Welcome to our world!
As one who speaks from experience (a newbie myself), I can tell you we have the best support, the best mappers, and the best tutorials you can find to help you create the best maps. These guys are the best.
I started a work in progress thread for my first map and they are so helpful to comment, to guide, and to give a nudge in the right direction when I have no idea what I'm doing.
So, have fun and happy mapping!