The Aussie accent is a little different. Many non Aussies try but few succeed. It comes about from our rough tough convict drinking heritage. We taught Crocodile Dundee to talk that way.
Ashleigh has been voicing for some of the worlds biggest companies for more than 30 years. From Audi to BHP to Paypal and NineMSN. If you want an authentic Aussie sound or a little "mid Atlantic" try him out.