Here are some of the sites that contributed to ours.

Pur Kat Clipart Solutions generously allowed us to use some of their pictures.   Heres a link to their site.

http://www.telepath.com/purkat/firework.html

Magic Spider Web Design & Graphics

http://www.magicspider.com

How fireworks are made.

http://www.atlaspyro.com/howaretheymade.html

Saftey info.

http://www.fireworks.com/saftey.htm

http://www.wiganmbc.gov.uk/pub/ehcp/TS/Consumer/firework.htm

Information on the chemichal basics.

http://chem01.usca.sc.edu/proton/firework.htm