asa...
heres just a few® links to get you started...
http://hotwired.lycos.com/webmonkey/96/35/index2a.html
http://www.digital-foundry.com/paintshop/gif/psp2.shtml
http://www.desktoppublishing.com/transparent.html <--has just a lots® of resources :O)))
http://adobedoc.kanisasolution.com/Photoshop6/Help.htm
/me just a suggests® tooo??? ifin' you click 'help' in your photoediting program??? /me is just a pretty® sure youll find the 'instructions' in it...:O)))