Once you have your digital image you have to edit it. To do this you need to use specific software. There are a lot of programs for editing images, some you have seen in the previous point. GIMP is a free alternative which you can download by clicking here. There are also free internet services that perform this task in a very satisfactory way. Here you can find three examples:

• Photoshop express
• Pixlr
• Sumo Paint