Not your average pixel effect tutorial, let me show you a nice little trick where you apply the normal square pixelated effect and turn it into checkered, diamond looking photo pixels.
If you are bored of your Facebook cover image on your Timeline profile and you want to make one of your own this easy to follow Photoshop tutorial will do the trick.
Remember as a kid you played with a mirror, putting your face to the side of it and your friends were laughing at the funny symmetry of your face and your faces reflection?