How to Edit Photos with Linux

1. Step 1
   
   installing gimp on debian

   First, you will need to install the GIMP. (Gnu Image Manipulation Program) The GIMP is basically like photoshop for linux, and although it doesn't have some of photoshop's funtionality, it's powerful enough for all but the most demanding professionals. You can either open your software package management utility and search for gimp, or if you are comfortable with the command line, use one of the following commands:
   
   For Debian, Ubuntu and similar: sudo apt-get install gimp
   For Redhat, Mandrake and other distributions with yum: sudo yum install gimp

2. Step 2
   
   gimp main screen

   Now, start up the GIMP - either find it in your Applications Menu, or from a terminal, type:
   
   gimp &

3. Step 3
   
   file dialog

   Now, open up the image that you wish to edit. From the file menu, select 'Open'. (Or simply press control-o) Navigate to the image you wish to edit, and open it.

4. Step 4
   
   lens distortion

   Now, you're ready to edit your image! The things you can do are nearly limitless - for the purpose of this tutorial, we're going to make our picture look like an old-time TV screen. First, from the Filters Menu, select Distorts -> Lens Distortion. Drag the slider next to "Main:" until it reads about 50 or so, and click 'OK'.

5. Step 5
   
   desaturate

   Now, it's time to make our picture black and white - From the Colors menu, select "Desaturate". Press OK on the next dialog box, and hey presto! You have a black and white photo.

6. Step 6
   
   final image

   Congratulations - you've just edited a photo with Linux and the GIMP! This has given you the basic idea, now you can go out and follow some of the tutorials and resources linked below to become more proficient. Good Luck!