Heavy metal: motorcycles and hot babes.
Thrash metal: dumpsters and abandon places.
Black metal: cemeteries and forest (corpse paint also axes or knifes).
Power metal: fake dragons and princess over unicorns.
Folk metal: Woods, hills and booze (a lot)
Gothic metal: victorian clothes in black & white.
Viking metal: swords, battles, ships, warpaint and also booze.
Death metal: blood, corpses and bad ass faces.