Somewhere around here, there is a tut that shows you how to make plastic surgery genetic. It is simple--even a SimPE moron such as myself can understand it. No need to have donors--no need to make your own townies--especially if you have the TS2 Enhancer so you can change eye,and skins easily. Thanx for the link--cause this will save a trip to SimPE which is always appreciated.
It basically involves replacing the first facial structure resource with the second one.
MTS2 also has a
tutorial that covers the same technique.
For those interested, there is a
simpler way to change the skin of a sim (no hair/eyes/clothing).
It was originally
discussed at the SimPe forum, and it works by changing the skin guid in the Sim DNA record.
After reloading the game, the sim will have the new skin applied automagically.