I just did some playing around with this idea, it looks like the deltaAddDelta line has to be in there, else it doesn't work (probably why I couldn't get to work when I tried it awhile ago. I would have thought otherwise, for sure. I did make up a pose to point all the JCM to figure 2, that part worked fine in Poser 5, I guess it would in Poser 4/PP to, which would mean you could get JCM working on a second figure, which normally is a problem. The downside is, because the deltaAdddelta lines are going to be hard-coded into the pose there is going to be problems with clothing that has "adjusted" them, to get the morphs to work. For those who have never made JCM clothing let me say it isn't easy, often you have to fudge stuff, and breakout the up and down breast morphs into two seperate channels, for instance.