Two Useful links to configure SSL in WSS 3.0 and Windows Server 2003 IIS 6.0

Steps to setup SSL in Windows Server 2003 (IIS 6.0)

http://www.petri.co.il/configure_ssl_on_your_website_with_iis.htm

Steps to setup SSL for WSS 3.0 Web Application

http://volcane.blogspot.com/2008/05/setting-up-ssl-for-windows-sharepoint.html