I am making a custom site definition an I want my users to be able to set two extra properties when they select the site template. Currently I see the normal options "Title" & "URL Name". I think the answer needs to go in template found in webtemp*.xml file but I don't know how.
For others looking to learn site definitions here is a good tutorial: http://community.bamboosolutions.com/blogs/sharepoint-2010/archive/2010/11/11/sharepoint-2010-cookbook-how-to-create-a-custom-site-definition-with-additional-content-in-sharepoint-2010-using-visual-studio-2010.aspx