Well, I've made some updates on my set now and fixed the hands, right foot, stomach, triceps and biceps.
I have now used a total of 70 heads on my set, with 2 more unused, 1 lost head that I'm trying to find -_- and basically 3 more heads on request which I'll use for the sides of the feet after the requests are completed ( not too soon most likely xD ) in order to completely finish this set.
I might use one of those heads on the groin and move the current groin to the side of the feet.