Your soundtrack for the zombie apocalypse

[Stormspell]

LICH KING - Toxic Zombie Onslaught

[Kelly]

Bathory - A fine day to die!

[Sgt. Kuntz]

The HELS song "Living Dead" from the Klipp-Rock sampler:

http://www.youtube.com/watch?v=9HsoUargSis

[DaN]

Macabre End – Spawn of Flesh

Just had a closer look at your list and this one made me
According to my old friend Jonas Stålhammar, this one was Per's veggie war-chant/anti-meat-industry anthem (the "Carcass-effect"? Vegetarianism wasn't too uncommon in the old Svensk Dödsmetall scene..)

(I'm not being a smartass about it, just found it cool/funny that someone took it for a Zombie-song..)

[Ernest Thesiger]

Pungent Stench, "And Only Hunger Remains"
Repulsion, "Eaten Alive" & "The Lurking Fear"

[MEXDefenderOfSteel]

surprised no one has mentioned this one so far...another one with a precious militant sound

PAGAN ALTAR-MARCH OF THE DEAD

...From every graveyard pour the hordes to strike before dawn
A thousand years of deaths carnage gathered ‘fore the morn’.
Their vengeance turned against mankind’s unsuspecting head.
There’s no defence, there’s no escape, you cannot kill the dead...