Boobs are way too big and of the Poser Retard variety, but at least there is some gravity (NGM?). Of course this has a lot to do with personal preference. Notice how tiny her arms look and how much visual emphasis is drawn to the imperfection of the V4 shoulder region?

...Go back to her former breast size and apply a little gravity.

Hope you're using better fonts and bubbles than the above in your comics!

Lets see some teeth and expressions.

Still say you need to lose your ZBrush routine in favor of V4 WM, or the Perfect Fixes.

Lighting is too dark for the environment I'd say.

DOF, however you can get it.