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.
A bit longer Photoshop tutorial, but still very suitable for beginners, where you will learn how to carve a random text into human skin from scratch and make it look realistic.
For a lot of fonts there is not an Italic type option available by default, but there is still a neat Faux Italic Photoshop option that can turn any font into an Italic type.
