How about a matching wallpaper for your Motorola Moto X back panel? Here is a wallpaper pack for you that would add that extra spark to your Motorola Moto X
Motorola Moto X+1 Back Plate Options to include a Leather Back?
Motorola Moto X+1, the successor of the Moto X is rumored to come with more than 25 backplate options, out of which, there would be four leather options. Read here for more.