Customization question

Hi guys, I've had this game for a while but I haven't the slightest idea on how to customize any of the conferences, schedules or bowl games. Could anybody out there give me a step by step on how to customize my league?
http://www.wolverinestudios.com/board/
http://www.wolverinestudios.com/board/viewtopic.php?f=314&t=31855