Here's a step-by-step tutorial that would be very helpful to beginner's in photoshop who would like to learn how to manipulate photo's in photoshop. In these tutorial you will learn how to blend images, use gradients, darken images or make them colourful.
In this tutorial you'll learn how to color your scanned drawings using Photoshop, also you will learn a few tips in how to use the pen tool. This is especially helpful to those who are just getting started using photoshop's pen tool.