I have no issues with the hawaiian hair - it is, IMO, a nice addition, and also quite easy to "fix". I think the same might be true for this new pirate peg-thingies. And I do like them (duh, skull.)
Holes are very different matter. While the new (GORGEOUS, rubbery) indian hair works fine with no feather, that DREADFUL "queen hair" is completely useless without the crown. Worse, it's not that great with it to begin with. Would be quite pretty without that hole - as we can see with the other versions.
As to wings, I don't thing that'd work. Common arms (that is, basically all but the puffy egyptian-like sleeves) should be all alike yes. The left/right arm thing adds basically nothing, and you lose a lot.
Let's not even start with the female/male all different skinny arms, ok?