It is the wallpaper with the schedule for the 2012/2013 Spurs Regular Season. This year's version includes most of the players, not just the Big Three.
You can download it in different sizes for your screen, here: Jalberto's Flickr
For HD version, go directly to Manuginobili.com and click on the image.
Hope you like it and use it.
You can also explore my gallery of basketball wallpapers here: my basketball gallery
GO SPURS GO!