Some clever modders are working on an interesting mod for The Legend of Zelda: Twilight Princess. This mod is designed to replace the TP textures with those from The Legend of Zelda: Skyward Sword. TP was more of a darker, grittier Zelda game, whereas SS was more colorful and cheerful. If you wanted to play TP with more colorful or cheerful graphics, then you’ll want to keep an eye on this. It’s not complete yet, but progress is being made as seen in these screenshots:
You can read more about the project and see more screens at the links below.