So what do we have here then eh? Who's this adorable little chap I hear you say? Why it's everyone's favourite automated killing machine Mr Sentry!
Wallpaper as requested for the awesome Team Fortress 2 community . . . .
Pencil, Ink, Watercolour painted over in PS . . . .
Image is 1920x1200
Click 'Download' to well, download the full size desktop!
"Beep Beep Beep Beep"