Fireworks: Where can I improve?

Started Jul 8, 2011 | Discussions thread
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learnerguy
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Fireworks: Where can I improve?
Jul 8, 2011

After taking inputs from many of you here, I proceeded for the July 4th fireworks show near Twincities.
Gear: D3100 + 55-200mm VR lens, tripod, MC-DC2 cable release
Focus was set to infinity

This was also the first time I ever used:
i) Tripod
ii) Bulb mode
iii) MC-DC2 cable release

I simply pressed the cable release button in Bulb Mode and released it after a couple seconds to sometimes less than 5 seconds.
Attached are some of the pictures taken.
I need inputs as to where can I improve on such pictures.

 learnerguy's gear list:learnerguy's gear list
Canon PowerShot S95 Nikon D3100
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