Fireworks code running on 8x8 neopixel matrix
Original code by :Mark Kriegsman and lots of reading and help on this forum . 
https://drive.google.com/file/d/0BzhLE36asWItZXRYT0pEOHBzdlk/view?usp=sharing
http://www.youtube.com/watch?v=Enc5I4vxPN0
Cool. Totally works on an 8x8.
Looks great! Nice effects on all the miscellaneous off-the-grid pixels, too!