A-Team Dwarfs - better pics

A group shot of the 8 A-Team Dwarfs I have finished so far (except for the tattoos - I'm going to add these as soon as my very first attempt on one or two test minis is done):

I'm trying to experiment with skin tones. As you can see, I've used two of them so far.

 

How do like them so far? Which skin tone do you like better and why? Anything else you would change? I know there are much better painters out there ... Let me know what you would like me to try. Feel free to post suggestions, links etc. in the comments. I'd love to improve my painting skills!