In my Paperlike Review video (See below) I mentioned that you could download this wallpaper for free.
Click on the Land of Ice and Fire wallpaper below and save it to your device. Then open this image in your Photos app and set it as your wallpaper. For more information about how you can use this image, see below.
Feel free to download this image to use for personal use (e.g., use as wallpaper on your iPad, Phone, etc...). Any commercial use of this image is prohibited unless with consent from me - firstname.lastname@example.org