yay indoor kickball! If you go to the top of the page, there is a link that says "Leagues" under that click Indoor Kick. It's got the basics and the registration stuff there! I'd be happy to try and answer any questions you have, and if I can't, I can point you in the direction of someone who can!
Welcome to PortSports Hillary! Click around and see if there are any groups you are interested in joining. If you don;t fins something you are interested feel free to create your own group and invite your friends to join. The groups tab at the top is a good place to start.