XFireworks makes fireworks in the root window on X.

This is imitation of Japanese "Hanabi Taikai". It is very popular event
in Japanese summer and performed on some rivers.
Sumidagawa River's Hanabi Taikai is very popular. The author has seen
Arakawa River's Hanabi Taikai every year.

See xfireworks(1) for more details.

- Sakai Hiroaki
sakai@seki.ee.kagu.tus.ac.jp, hsakai@pfu.co.jp