All three of these shots are from the same spot. You can click on the view full size to get the larger image.
This just shows an example of how to find the spots to get the highlights in the hair from reflected light. Each image lets in more light top accentuate this back light.
Only edits were to the first two images to tone down the sky the last image has no edits except sharpen.
hope this helps give some people an idea of what to look for. :)