Yes, you can do that as well. What I meant though, was that if you want to use the same mapping created from the import process, for another model, instead of trying again to get the mapping correct, (which is a total pain,) you can save the image, then import again, and it will immediately recreate the morphs. Then you can make minor adjustments via the dials, for variety on the same model. You can actually create many different faces with the same two pictures. Plus, if you import the custom image, the Random Face button will work with that texture!