Hey Neo, it's been a while since you've updated this thread. Good to see you back at it mate
Your greens are really rich and full of colour, i like them a lot, the last model especially, your bases are becoming much more interesting.
The freehand isn't bad but i think the skull could be more regular shaped as it's not symmetrical atm. I always try and plan out from a central point with circles to give a regular feel.