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I see some issues with the compositions.
#1, for example - the pose with the arm out to the side doesn't look polished or well constructed when the arm leads out of the frame.
#2 almost has the foot included and #3 crops off the knee.
I think you need to plan out the compositions for the final finished product. Plan where those arms and legs will be in the frame. Keep a spot to make a clean crop for the head and shoulder shots. For example, #3 can't be cropped to Head and Shoulders and still look good.
That said, you are getting lots of things done well in this sequence. A sharp eye focus every time, for example.