After listening to Robert Scoble on TWIT, and surfing around on his website, I ran across these great 'Photowalks' that he has done with Thomas Hawk.
Robert follows Thomas Hawk around San Francisco Bay and under the Golden Gate Bridge as he is taking photos and talking about his habits, photographing routine, style and work - and in all that, he throws out lots of great tips on how to become a better photographer.
You can check all of them out here:
This photo shoot takes place in evening and at night, so there are tons of great tips on how to shoot with those sort of lighting condition.
Take a look. ScobleShow has a lot more 'photowalking' segments. All of them are worth watching cause there is tons to learn from everyone of them.