Basically, you have all the things wrong I listed above, and a couple more things too. Model needs the xforms reset (from the Utility Panel). The model's position is not zero'd on the X axis. Skeleton root node is not zero'd out on X. And the skeletal limbs are not exactly mirrored, the toes being offset more than the…
I am using the weight paint tool within Max to fine-tune the weights on a rig of mine, and have them how I'd like on one foot, but mirror mode seemingly links the weights from one foot to the other. Pics: http://imgur.com/a/pJ6Tk After painting the weights on the left foot, I select the verts, and click the "Mirror Blue to…