Not to be rude, but I'm not editing these. They're really just a pixel dump and they're not worth the effort.

Add some more contrast please - extend palette or something else =/

But they're not iso! The shoulder lines and eye lines at least are at a lower angle, closer to natural perspective.

Also they seriously lack contrast. The colors are nice but most values are clumped near the medium range: needs more darks, and some more brights too.

Give them a bg, the present default theme is really hard on them.

Congrats for the bump! ;)