Paint.net, good-quality image and photo editing

It a beautiful open source graphics design that stands out for its ease of use, speed and high quality results. It's more oriented design and editing application that does not effect (if you want to apply filters and effects to your images of various kinds, used Photofiltre or GIMP). Allows the drawing layers (layers), has unlimited levels of undo and a number of tools for freehand drawing.
If you draw or manual retouching of images is absolutely recommended.
It's also available in Italian localization of all the latest versions, just go here (last page for version 3.20 and 3.22 beta). It'simply unzip the file you will download in the root folder of Paint.net, and restart the Italian will also be among the languages available.
GIMP has many more features, Paint.net is lighter and immediate. On hitfreeware.com there is also a guide to create montages with Paint.net.

Paint.net