One of the great 1/6 action fig head sculptors : Scott I like Scott's work very much.  However, all of his old heads are only good for the Elite body, since I prefer the Dragon body, I played with the heads and made them fit with Adam's body.
Scott is currently working on a series of new heads which is exclusively for Dragon's body.

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Here below from left to right you can see what I have done :
first measure the length that u need to cut from the neck, the best reference is to put Adam's head aside to compare.  Dremal is the tool, again.  Beware of the metal pin Scott put in the neck for the Elite body, it might get very hot during the grinding and cutting which may melt the resin.  You will also need to take some of the neck support from the Dragon body in order to achieve a better fitting.  The whole process is about trail and fit, and patience.  I suggest to use the 20 mins Epoxy to fix the head onto the neck support.  But be careful with the amount of glue as u surely don't want your fig has a "FIXED" head !