Shooting Fireworks / People watching fireworks

[gsums]

Tonight Edinburgh conclude their festival with a firework display from the castle.

Obviously a shutter release and a tripod is essential but what are your hints and tips of settings to choose from for shooting fireworks. Also i will be taking some photos of people watching the fireworks and enjoying the event. What would you suggest taking photos of people outside at night? Is a flash recommended?

Any help possible i will be grateful of.

Thanks.

 

[...]

its possible to shoot without a tripod and shutter release , i did high iso and shutter priority and played with shutter speeds

i couldn't use a tripod for this , infact i was standing on a moving boat on the water at the end of Cowes week

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however a week later i was at the Fowey reggata , had had far to many pints of rattler , and only had my mobile

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