Back Row Help Please

Hey Can Someone Help Me Please I Just Downloaded 12.0 Frodo Version
And Installed (Back Row) & Added All My Video Files & Scraped Them For Fanart...

My Issues Are Where Do I Install Both Zip Files Needed For Cinema Experince
(repository.googlecode.xbmc-addons) & (script.cinema.experience.2.0.53) ,,,

And Also Where's The Bottons To Exit The XBMC? I Got No Bottons......