Not to my tastes in terms of suject. Am with Kern and find the action too explicit.
In terms of actual sculpting however they are looking good.
Like Danesk said the interal plumbing is a tad large, but maybe Kroots have bigger bowels.
Have found when using green stuff that it is well to get the amount you think you need then cut it in half
Offer it up to the model and see if it looks okay and if necessary reduce the amount again!