heh I should mention thats not my work, (wasn't obvious in my above post) and done with the Monster 2 shader. The ambient occlusion is a nice effect that gives the impression of global illumination.
BTW heres some more info on the effect
http://www.gamasutra.com/features/20040319/hill_pfv.htm
http://download.nvidia.com/developer/presentations/GDC_2004/GDC_2004_Ambient_Occlusion.pdf
from http://www.ogre3d.org/phpBB2/viewtopic.php?t=6859&highlight=ambient+occlusion
BTW heres some more info on the effect
http://www.gamasutra.com/features/20040319/hill_pfv.htm
http://download.nvidia.com/developer/presentations/GDC_2004/GDC_2004_Ambient_Occlusion.pdf
from http://www.ogre3d.org/phpBB2/viewtopic.php?t=6859&highlight=ambient+occlusion