ARTMAY
Use coupon code ARTMAY at the checkout to take a further 25% off marked prices for all Art posters, that's over 750 posters on sale, for the whole of May or until stocks last.
Also, buy 2 get 1 free 'Poster Packs' on selected* non-art themes:
http://www.bluedogposters.com.au/shopdisplayproducts.asp?new…
*New special offer poster packs include One Direction, The Hunger Games, Michael Jordan, Star Wars & Dr Who.
If you're willing to wait, these guys typically have better sales at campus O-weeks. Though ordering will save you having to visit their Newtown store (currently decked in One Direction posters)