E-mail these firms to be added to their mailing list or check out their web sites. Support footy in North America by patronizing these firms. After being absent all season, WiredAudio PTY, Ltd. has arranged a netcast of the AFL finals. Several campaigners have been able to follow matches involving Sydney that way. Some cable companies carry WRN on their audio services.
Most clubs have official and unofficial pages linked to one or more of the above pages.
For North Americans who would like to receive detailed summaries of each round and footy news, Lisa from Chicago has a mailing list you can join. Be sure to indicate that you want to join her footy mailing list. There is an AFL Listserv you can join. It averages 10-20 messages per day. And of course, the Usenet newsgroups rec.sports.football.australian and aus.sport.aussie-rules continue to be fine sources of information.