Quality Issues

Too small to check really for errors. However, as a general tip: check your assets at 100%and look for rendering errors (eyes, hands, the presents, the tree). There are enough possibilities where generative AI can go wrong.

The first two are too synthetic.  Less human and more doll-like.

Don't just assume that all AI images are perfect. They rarely are.  AI makes many mistakes, especially with details and human anatomy.

Examine full-sized images closely at 100-300% magnification.  Identify all errors and fix them if you can, or discard the image.

Compare your best work with current Stock inventory to ensure that yours are at least as good if not better than what Stock has now.  

Good luck.

Well...they're AI, not photos. 🙂 But we need to see the original images as submitted in order to find any errors. The smallest detail incorrectly drawn or rendered can result in a rejection.