There is one thing you can do, and I've done it - you could add text to a picture, then use that pic as your wallpaper. But as far as an option on the device, Jenay is 100% correct.
There is one thing you can do, and I've done it - you could add text to a picture, then use that pic as your wallpaper. But as far as an option on the device, Jenay is 100% correct.