If you don’t have the bucks to spend on Photoshop. Paint.NET is a cool software alternative that will do the same job for free. They have a new version that will give Photoshop a run for it’s money.
Paint.NET is free image editing and photo manipulation software designed to be used on computers that run Windows. It supports layers, unlimited undo, special effects, and a wide variety of useful and powerful tools. Download here>>
It started development as an undergraduate college senior design project mentored by Microsoft, and is currently being maintained by some of the alumni that originally worked on it. Originally intended as a free replacement for the MS Paint software that comes with Windows, it has grown into a powerful yet simple tool for photo and image editing.