Attached Link: http://www.eovia3d.net/showthread.php?t=4162

Have you taken a look at my rig setup? I developed a fairly flexible hand rig. You might want to adjust the hand a bit, looks a bit short in proportion and I see some bending issues cropping up at the joints. Link to the rig and videos demoing it: http://www.eovia3d.net/showthread.php?t=4162