This is the one i use and its really good. I have tried them all and this is the only one that didnt get scratched or cause a blurry image. Only set back is you cant take it off once it is on the phone. But i found this one to be very durable and doesnt leave finger printers every where.
http://www.invisibleshield.com/?gcli...FQVvlgodTVvWwA