looks nice other than all those single pixels/broken outlines, which just add noise (along the back, along the undersides of the arms, under the chin, etc.
Keywords
The following keywords are used to help with the Pixel Joint search tool and to help search engines with appropriate key phrases. Make sure to take some time and add keywords to your pixel art submissions. It actually helps!
Korra, Avatar, Korra avatars, Korra icons, Korra pixel art, Korra forum avatars, Korra AOL Buddy Icons
EDIT N/A
anti aliasing. it's the technique that is used to make lines and shapes smoother. Here's a simple tutorial.