Lots of room for improvement... The Humans need to be smaller than the Na'vi by at least half their height. The Na'vi have to have proportionately longer torsos and limbs than Humans. And the navie need to have four fingers, instead of five and relatively small breasts. AND NO HUMAN EARS.

Base +7, Qwertius +21, rosemarywhite -6

Jake Sully's kids have 5 fingers so half breeds could have 5. I mean this is pedantic as fuck and I agree with you but I am bored sitting on a toilet so have nothing better to do I guess.

Base +6