Three-minute tutorial (really good!)
When listening to the people below, pay absolutely no attention to the content of what they're saying; instead, watch the shape of their mouth with each vowel-sound, and especially watch the position of their tongue, for those vowels where you can see it:
Broad Australian (1)
Broad Australian (2)
For the 'absolute' sounds of phonetic symbols - i.e. the sound the symbol always has, irrespective of its context, go here.