Just to expand on Dale B.'s assesment of applying Vue's materials to your imported Poser figure, you don't have to apply it to each body part separately. I went through that at first but then through experimentation, discovered that you can Shift click all the parts in the hierarchy once you expand it in the object display tree and apply the material to all parts at once. I would recommend either chrome in the metals category or mercury in the liquids category of Vue's materials.

I've used MiMiC quite a bit recently on a project I'm currently working on. Now I'm not a total expert on the subject so I'm basically speculating here but it would seem to me that theoretically, because MiMiC generates a .pz2 file for the character, that this would be the file you would want to try and edit as opposed to the .cr2 file. If you open it in Notepad, I think what you can see is the keyframe number and the relative dial position for the particular body part, so if you can isolate the exact keyframe and body part in which you want to affect a change and either decrease (or in your case increase) the parameter setting within the file itself, this might work. I wish I had time to experiment with it and give you first-hand knowledge but it might just work and could be worth a shot.