GIMP is an acronym for GNU Image Manipulation Program. It is a freely distributed program for such tasks as photo retouching, image composition and image authoring.

It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.

Official GIMP website:

Browse through a huge gallery of over 350,000 stock photos.
Share photos and chat with other members.
Official website: stock.xchng

More to come ..