Okay... *drumroll*

I think I've finally managed to get the hand scaled in a way that works equally well in both Poser and DAZ Studio. Here's what I did:

1) Slaved all the scale channels in the fingers to one main channel (currently two valueParms in the BODY named 'RightHandGrow' and 'LeftHandGrow', respectively, but I'll try to get this rigged with the normal scale channels for the hands).
2) Removed the smooth scaling channels between the hand and the first actor in each finger (including the thumb).
3) Wiggled the smooth scale sliders for the remaining finger actors into positions where they wouldn't wreak havoc.

Basically nothing new, except for the 'fine print'. :laugh: I like this better than the propagatingScale solution because I don't need a special pose for DAZ Studio and there's no hard step between the hand and forearm that requires a complicated morph rig. I suppose one could add a scale-controlled morph on the elbow to give it a nicer shape when using extreme scaling factors, but I'll probably leave that up to users who really want that kind of thing.

-- I'm not mad at you, just Westphalian.