robots/mechanical unit;
Clown;
Supernatural creatures;
Aqua;
Ghost or a vampire theme;
peasant model into a warrior;
Paladin;
tuskar skining contest;
cenobites;
mounted/dismounted;
Undead/fleshies;
Ninjas;
Legendary heroes;
Elementals;
Druids/shamans;
Nerubians/insectoids;
Mythic gods/creatures (greek, aztec, etc.);
Specific races (trolls, taurens, ogres, elves, and so on);
Specific cultures (egyptian, persian, romans, etc.);
Happyland;
Blood Elf theme;
Draenei;
Faceless One;
skin two models to fit together;
morphing units;
Diablo theme;
advanced/alien;
Warrior;
Neutral;
Metal;
Horror;
Titan;
Beastly;
Range unit Melee unit Switch (texture a range unit to look melee vice versa);
Friendly;
Bosses;
monsters;
Prehistoric;
unit -> hero;
hero -> unit;
mutated;
skeleton;
hunter and a pet;
Pirates!;
cinematic;
skin the Sentry;
jigraeljigraeljigrael;
Desert theme;
Creep Warlords;
Creep => General Race;
Heroes into Creeps;
dalaran mutations;
Skin bloodmage;
Murloc;
fallen - atoned;
skin a unit into a villager;
a group of units;
Medivh;