And I totally support that. Best way how to learn anything, really. You can copy mine if you want and try to customize it to your liking. That's what I do.
Oh, and one thing I forgot to mention, after you check the box for your Signature in Special:Preferences, to use it where you want to use it, just type ~~~~ at the end of your comment. You should only use it on pages that don't show your name.