- With sun, blue skies, water and all bright surroundings - a polarizing filter will help cut some reflections.
- A fill in flash can help fill in strong shadows and may bring out some bright colors thereby adding vibrance.
Here's the stream from Lake George, NY:
[F 10, 1/100sec, ISO:100, 2010-10-10]
[F 8, 1/250sec, ISO:100, 2010-10-10]
[F 8, 1/100sec, ISO:100, 2010-10-10]
[F 8, 1/160sec, ISO:100, 2010-10-10]
[F 7.1, 1/160sec, ISO:100, 2010-10-10]
[F 2.8, 1/2000sec, ISO:100, 2010-10-10]