Absolute, all time favorite:

Pantera - "Cowboys From Hell"

Close contenders:

Faith No More - "Everything's Ruined"
Anthrax - "Catharsis"
Fear Factory - "Shock"
White Zombie - "The Great American Nightmare"
Type O Negative - "Love You To Death"
In Flames - "Episode 666"
Nevermore - "Believe In Nothing"
Soilwork - "Distortion Sleep"
KFMDM - "Brute"
GWAR - "Jack The World"