DiscountDuck quantity breaks

OMG I looked forever for a free app to add a discount when someone wanted to buy say 3 of the same product. Finally found it. Easy to set up and does what I want! Note to developer- if you could make it clearer when they reach the progress goal - ie congrats you have saved 10% etc on the product page. it would be perfect! ( it does show in the cart and check out) Thank you Discount duck!