Remember to get a larger image, click on the picture.
This one is nice as I was able to capture two going off next to each other. Colors are a little bland (at least got some colors on the one on the right), however the alignment is really cool. Notice a 3rd coming up from below.
This is a nice single shot. The streams outward, with the changing colors. I liked how this came out so cleanly (nothing else in the frame, a little smoke glowing off to the right, but really a nice lone colorful firework on a black background.