Cuban visa for Australians

I need to obtains a Visa for Cuba fior November, what is the best way organize from Australia? I think I read something about Mexico Airporto, can a old hand shed some light on this, please.

From Australia: Visa fee is currently AUD$110 plus $50 for courier and processing.

You will love cuba i have been 3 times gary you send to cuban embassy in canberra and you must have it to fly also they will not let u enter without health insurance they have good hospitals but u have to pay gary 0406539532 i have been around the world they have great beer, seafood and loverly seyoritas and the guys are great