"Hmm, this is a good place to use flash+ambient but it looks like your flash got a bit overzealous. You might have wanted to use flash exposure compensation to tone it down."

"Interesting idea. Too long of an exposure though (subject is motion blurred)."

"This picture was taken during the golden hour, as evidenced by the long shadows caused by the grazing light. Thus it was easy to create a key light, but there wasn't much of a fill light due to the natural light in the early evening."

"This photo satisfies Requirement 3: Outdoor Available Light Portrait."

"By some definitions, this picture satisfies Requirement 2, Indoor Natural Lighting."