Clip too loud, too low, too long, too short ? This and much more can be changed with the free audio editor Audacity.
Real chilly relaxmusic can be found at ORBYS.Also the optics are worth to look at..
Cool rythm tracks as MIDI files can be found at Drumtrax.
Who wants to use original quotes from classic movies in his video might take a look at Reel Classics. "I'll be back"
however is not there ;o(