George Sherrill

I have never really had success using left-handed relievers like Sherrill who are one-sided. What sort of individual settings and bullpen composition does one need to get HAL to use him in the appropriate situations?
http://forum-365.strat-o-matic.com/archivesn/
http://forum-365.strat-o-matic.com/archivesn/viewtopic.php?f=12&t=276391