Free $12 PayPal voucher that can be used towards postage on ebay.com.au
First 50,000 applicants only.
Must have an Australian PayPal account.
Valid for items bought on eBay.com.au and paid for between 00:00:01am AEDST Sunday 13 December 2009 until 23:59:00pm AEDST Sunday 20 December 2009.
Edit: as has been pointed out in the comments below "Entry is open to all residents of Australia who are invited to enter" and "If the shipping costs are less than AUD$12, the voucher is only worth the value of your shipping costs"