Battrick is pretty self explanatory as to finding your way about. There are a series of drop down menus at the top of the site that will get you to most of the pages that you need to get to, and the links from these pages will take you everywhere else. Some of these pages are discussed in more detail below, but the best way to learn the basics is to simply explore and familiarise yourself with all the pages.
You can also get answers to many of your questions on the Newbie Sledging Board
2. Getting a Team