One of the common problems with photography of children and pets is that people don't get down on the floor to take them — they shoot downwards and get a very "uninvolved" photo. If you get down on eye level you can get much more engaging images.
This sequence focuses on how even small changes in angle of view can make a big difference — compare panels 3 and 4 — one is shot from about 3 inches higher than the other, but the change in the way Nicole's face is rendered is very big.
Bottom Line: The angle of the camera to the subject matters, so think about getting on the ground or getting up high.
105mm, f16, studio flash