Photo Tip: Think of outdoor flash as a two-step process. Establish your ambient...

Photo Tip: Think of outdoor flash as a two-step process. Establish your ambient light setting first, then establish your flash setting. This allows for more creative and unique photos.


Using Flash – Photo Tips – National Geographic
photography.nationalgeographic.com
Get tips for successful flash photography with this how-to photo gallery from National Geographic.

Source: National Geographic's Facebook Wall