To properly use the calendar to setup events fill the description appropriately and use the following tags at the beginning of the topic title:
[GAME] - Name of the Game your playing
[PN] - Private Network (A network made specifically by the event host, password obtained by PMing the host.)
[Skype] - Skype will be used during the event
[Ventrilo/Teamspeak] - The Host is providing a Vent/TS server to be used during the event
If you use any other tags please post them below and i will ammend this post