Need C+C on simple sprite

Zoomed for easier glance.

I am going for an older Commodore 64-esc feel with my project.  This is the protagonist.  I am drawing some inspiration from Project Firestart, but looking to create my own "style" instead of copy/pasting from other games.  I like what I have done so far for my level of skill.

The left arm feels off to me.  I can't put my finger on it.  
I really want this idle stance to be near 100% before I work on the few animations my project requires.  I don't plan on changing my palette.  It's not C64, but it is the C16's, which has 120 colors which is plenty for my project.

Anyway, really looking for any suggestions on improving the right arm and such.