(recommended) This template will always use the no-backpack sprite. All missing animations are filled in from the backpack sprite.
These will be used to setup the skinmod for you. Use only alphanumeric and underscores.
(recommended) This template will always use the backpack sprite. Has no-backpack exclusive animations.
Use this if you want your character to have a separate set of sprites without a backpack. Works just like the normal game.