SCRM 2006 Report Model
Tony DeAmicis wrote a SQL 2005 Report Model for System Center Reporting Manager 2006 database. This allows creating SCRM custom reports via SQL 2005 Report Builder without writing any T-SQL code.
It’s available on https://www.gotdotnet.com/codegallery/codegallery.aspx?id=fa1469d9-9126-4bd4-9521-813ee629c922.