Elizabeth, I am sorry that no one had time to give pointers. Sometimes it just takes a couple of days to get a response. Remember giving a critique means actually spending some time on line and comparing the work in progress with the original.
You are right about the little toddler, she needs to be adjusted. I noticed that her head needs to tilt more towards our left. Her gaze has to shift to the left as well. The arm on our left has to be lifted; the angle is not quiet right.
The older girl needs to have a shift in value where the transition from the neck to the cheek takes place (our right side). The hand that goes toward the collar has to be smaller.
If you have Photoshop, I recommend you check the thread I recently submitted about
using the opacity tool for checking correct placement of features.
I can