Personally, I don't think this is a super great deal. But it might save some people some money, so why not post it.
https://secure.webjet.com.au/cashback/
https://secure.webjet.com.au/cashback/
What do I have to do to get my $20 Cash Back?
Book any flights to and from any destination in Australia, New Zealand or to Fiji and include within your booking Any two (2) different airlines
That’s all you have to do, but you need to act quickly because the offer expires midnight (AEST) 7 December, 2006. #
Once you have completed your 'mix and match' booking, you must complete the claim form below.