One of the displays from the last "After Glow" fireworks show from the 2013 Albuquerque International Balloon Festival. Without
a doubt, this fireworks show was the best I have ever witnessed in my life. The number of shells they put up was fantastic, and
then they started a different display / volley on the west end of the field and then switched back to the north end for the finale.

This is a single 3 second exposure with no special processing other than the large crop for comp.
Timing is everything when it comes to fireworks. It helps to have some luck as well.

Click on the image below for a larger view of another display from the show: