www.afana.com
Australian Football Association Of North America
Has TV and Radio commentary on for Mexico.USA and Canada.Just done a Google search.
Just looking on the AFL website.In Canada TSN Channels 1,2.3.4,5.Has Afl every week of the season and all finals live.
ABC also has Austrlia+,,A+ that will deliver live radio coverage.
You can also live stream from the AFL website.