Not a huge Pizza Hut fan myself, but for those of you who are that way inclined, there are printable vouchers available here. They do have some pretty decent offers, such as €10 off orders over €30.
[Via the boards.ie bargains thread]
Edited to add: I’ve been told this link isn’t working for some people. I just tested it and it opens for me, although it is very slow. If you want the vouchers, you could try right-clicking on the link above and choosing ‘Save Link As…’ to download it directly to your computer.