In Paper Mario: The Thousand-Year Door's root file structure, various misc textures is stored in root/e, with one subfolder.
The tpl format is a compressed file format that contains .tga files, which can be opened by most graphical editing programs.
There are a total of four tpl files in the efolder's subfolder, which uses a country code.
This tpl file holds a variety of textures, which includes number graphics, dialogue symbols, heart/starpower/flower point symbols, status effect graphics, and new area name label among other graphics.
Contains unused graphics, which is the Tubba Blubba's Heart texture from PM64.
This tpl file contains chapter emblem symbols, as well as the chapter start text (chapter, numbers, prologue)
This tpl file contains only one graphic, and that is the “LEVEL” text.