Set, so the column is available for search
http://www.mosssearch.com/searchcolumn.html
Customize search:
http://dattard.blogspot.com/2007/11/sharepoint-2007-creating-custom.html
Customize XSL search:
http://www.sharepointblogs.com/zimmer/archive/2007/10/28/moss-2007-customize-the-search-result-using-xslt-part-3-customize-using-sharepoint-designer-2007.aspx
Connect a custom Search Page to a custom Search Scope:
http://www.sharepointblogs.com/zimmer/archive/2007/08/25/moss-2007-connect-a-custom-search-page-to-a-custom-search-scope.aspx
Find It All with SharePoint Enterprise Search:
http://technet.microsoft.com/en-us/magazine/cc162512.aspx
Index FTP content with SharePoint 2007/Search Server 2008:
http://blogs.msdn.com/opal/archive/2008/04/10/index-ftp-content-with-sharepoint-2007-search-server-2008.aspx
