where to find a cool biped rigged free cahracter in blender?

i am working on a gun model and a scene, and i need a very simple biped character/dummy to shoiw off some posses, a gun operator. where could i find a free rigg?

Like this one ? http://blenderartists.org/forum/showthread.php?t=131079

yeah, thanks! i could use that!

btw, i’m also into doctor who, can’t wait for tonight ep,hihi