I'm a newb as well..
From my point of view her breast is too large.. I would shrink those melons a bit.. at least with 25% maybe 50% or somewhere between. I like big boobs, mostly we all do.. maybe some weirdos around here.. anyway.. having those big melons I would say she should have a bigger body as well to hold those.. and probably it wouln't stay that round and perfect even then.. she seems to have some natural boobs and around 30 years old or more.. I don't know.. for me it's unrealistic either way.
The nipples again.. something is wrong there..
In my view those big melons should look something like this Ava Addams ones..
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(yeah.. yeah.. stfu you all.. I know you have Pornhub the 2nd most visited site .. 1st one is f95 of course)
Her eyesight.. is she looking to the far (her) right or only slightly? click on the girl on the scene and then on the parameters tab - at Pose Controls you can move both eyes at the same time "eyes side-side" or cross, close, up-down..but first reset them to 0.
Same on parameters - pose controls for example.. if you type "eyes" on the search tab you'll get only the option for her eyes.. sometimes it won't work because it's a setting for only one eye so you have to search for eye.. not eyes.. this is just an example. It's quite handy.. so you don't have to scroll all the way arround.
On her left hand I would bend it a bit more like almost paralel with the ground and then move down her arm to the ground.. it's a bit more tricky because in most of the cases her hand would be on the ground but her fingers not or would clip with the object/ground.. or it's not a flat.. so you ll have to bend her fingers too.. sometimes like like all 3 bones depending by the object.. in your positions that ground touch looks a bit gay..
One thing I do sometimes (when I'm not lazy) I'm checking the character like 360 to make sure nothing it's clipping at all.. even if it's not visibile on the camera but why not.. I'm pretty sure her toes or feet are clipping a bit.. or maybe I'm wrong..
Oh.. one thing I learned my self.. don't start to work with big boobs.. yeah she may look sexy or whatever but in many poses you'll have problems with them.. like clipping with the arm, clothes won't fit or it would look like shit.. if your characters is laying or leaning it would be lot of work there if the pose does not have the morph for the breast as well.. and at the end it would not look realistic.
The other one.. the light from her body does not match with the light from the enviroment.. and that for me it's the hardest thing in any renders or annoying.. I would preffer to work one day to make a pose from 0 rather than working with lights.. especially on a low end pc.
This is another chapter.. it's a long one.. there are quite a few long tutorials on youtube.. if you wanna learn that..
Or actually maybe I'm wrong in that because of the low resolution..
Anyway.. this was just me.. don't take me wrong.. don't wanna make you feel bad in any way.. you can take my words or not.. it's up to you.. we all are unique in some way or another.. maybe I don't like the huge, unrealistc boobs, maybe you dream at them all the time.. but at the end it's not an awful render.. i've seen worse sometimes in games uploaded here.. And now I'm having another problem.. tried to play a few games since I started my journey in DAZ and I'm seeing all the wrong shits, clips, clothes, ligths.. and I'm loosing the story.. anyway (again).. that's another subject.
Fuck sake.. this is a long post.. sry for that.