Do you just want it to lay there like a trampled slave? If so, code below:
Link to guide here: 
NPC Appearances
	Code:
	sub EVENT_SPAWN 
{ 
	quest::settimer("dead",1);
} 
sub EVENT_TIMER 
{ 
	if($timer = "dead") 
	{ 
		$npc->SetAppearance(3); 
		quest::stoptimer("dead");
	}
}