All you need is a photo you wish to edit, and any version of Adobe Photoshop (or any other good photo-editing software).
There are much newer and more advanced versions available now, but I personally use Photoshop Elements 2.0 . I've had it for years, and I find it easy to use and understand.
Ready? Let's begin!
PS, Thank you to Instructables for featuring my tutorial! I was a little bit shocked considering it was my first one ;)