Salamander Apothecary

I started painting some months ago, this is the first time I paint with colours so light. I have to repaint some choppy paints (mostly the black parts), any suggestion for when I give him some adjustments or for future minis?

I started painting some months ago, this is the first time I paint with colours so light. I have to repaint some choppy paints (mostly the black parts), any suggestion for when I give him some adjustments or for future minis?