The first is their Buy 2 and Get One 1/2 Price on select used PS2, Xbox, Gamecube and Game Boy Advance titles.
The second is their trade promo where you can purchase select new PS3 and Xbox 360 titles for $19.99 and select new Wii, DS and PSP titles for $9.99 when you trade in any 2 select PS3, Xbox 360 and Wii titles. If you look at the list of acceptable trade in titles (i.e. My Horse & Me and Kawasaki Quad Bikes for the Wii???), this works out to be a pretty sweet deal.
For more details, click on the promotion images below.

