You can change the mob's body type, list below.
Code:
1 Normal
2 Lycanthrope
3 Undead
4 Giant
5 Construct
6 Extra Planar
7 Monster
8 Flying Monsters
11 Untargetable
12 Vampire
13 Atenha Ra
14 Greater Akheva
15 Khati Sha
19 God
21 Animal
22 Insect
23 Fire Creature
24 Construct, Elemental, or Gargoyle
25 Plant
26 Dragon
28 Summoned Creature
32 Illusion