As with every country, advertising is generally divided into great and terrible. Australia is no exception. For every Dumb Ways to Die there is a guy shouting about barbecues whilst giving a thumbs up.
Whilst there isn't quite the number of brands perpared to make great creative work as back in the UK, from what I've seen, the standard is definitely improving.
Here's a couple of good examples.
Carlton Draught. Not my favourite beer, but it's definitely better than the cheap stuff in the UK.
This police chase ad from last year is everything you expect from a brand whose creative work travels far wider than the product.
A silly chase that parodies the movies, and avoids taking itself seriously in any way. It's fun and entertaining, taking the semi-mandatory 'several guys in a pub' setup and taking it to somewhere likeable.
It doesn't hurt that Carlton Draught has one of the best taglines of any brand in the world either.
Australia Post. Sometimes an idea is just so simply brilliant that you don't need to create an elaborate ad concept, you just need to show people. It's also another blow for people who keep going on about how QR codes and the like are useless, without realising it was the way people used them that was the problem, not the medium itself. Any postal service that doesn't consider creating this functional