Check out Windows Server 2008 Unleashed's IT 24-7 Robot Wallpapers in 4 Action Poses in 8 different screen resolutions.
Download from here, For each screen resolution there are 4 different poses wallpaper :
Also check out the IT 24-7 Screensavers :
And the Buddy Icons:
Here is IT 24-7 in one of the poses as shown in wallpaper