In Reply to: VOA posted by kimz on Sunday, 7. July 2013 at 06:34 Bali Time:
Only Garuda processes your VOA on the flight from Australia to Indonesia on some flights.
As you are flying Jetstar, you will have to buy your VOA at one of the booths on the left in the Imigrasi Hall. After that you will need to queue at the Imigrasi booths on the right.