Finally got it. Here is what I used....
CustomCommandPath = C:\Program Files\MCEBuddy2x\AtomicParsley\AtomicParsley.exe
CustomCommandParameters = ""%convertedfile%" --overWrite --stik "TV Show" --title "%episodename%" --TVShowName "%showname%" --TVEpisode "%season%%episode%" --comment "Original air date:%airmonth% %airday% %airyear%" "S%season%E%episode%""
CustomCommandHangPeriod=0
CustomCommandCritical=false
CustomCommandPath = C:\Program Files\MCEBuddy2x\AtomicParsley\AtomicParsley.exe
CustomCommandParameters = ""%convertedfile%" --overWrite --stik "TV Show" --title "%episodename%" --TVShowName "%showname%" --TVEpisode "%season%%episode%" --comment "Original air date:%airmonth% %airday% %airyear%" "S%season%E%episode%""
CustomCommandHangPeriod=0
CustomCommandCritical=false