#1: I would have stepped back - cropped less closely to avoid cutting baby's head and make the face appear less overwhelming.
#2: I like this image because of the unorthodox angle of view. It accentuates the character in baby's face, creates mood, and makes me feel connected to baby. The crop is a little too tight at the top of the head and sides - cut elbows bother me. Maybe step back a bit. I'd also go up a stop to increase the DOF and decrease the exposure.
#3: Very nice! Sweet baby. Toys distract a bit - you could crop them out, but it might screw up your nice portrait orientation.
Overall, I think this is very good set. Nice work!