Here is the outdated guidebook however is have pics of many models
http://eqfroggy.ath.cx/download/Guidebook13.7z
Here is a list on wiki that give newer models
http://eqfroggy.ath.cx/download/Guidebook13.7z
BTW..I found a cool guide to spawning npcs on wiki too. Use that wiki. We never had that much info is one place before! Take advantage!