Upsized cashback of 50% +30% bank bonus cashback with Westpac/St George Bank/Bank of Melbourne/BankSA at Pizza Hut from ShopBack. Min spend $20. Capped at $10, and bank bonus also capped at $10. Expires tonight
Also on the cashback page, I notice listed is 4.2% / 1.8% cashback for new/existing customers
There is also a $5 bonus challenge if you spend at both Pizza hut and BWS (current bonus cashback rate 20%, ends in 24 hours, and also has a 10% bonus cashback wuth St George/BOM)