First of all, try to check the .pdf instructions in
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. They are pretty good for starting any modifications.
Try to check this too:
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The magic about "face creating" hiding in tons of morph dials. Try to install as many mods for face morphing as You can, sit down and start experimenting till You get the result You'll like. That's all. I'll add small tutorial about faces to my to do list here as soon as possible.