Theme Selection
This is the entry point for Suffusion. Suffusion comes with a bunch of pre-packaged themes or skins. Each theme uses one color on a light (white) or dark (black) base. The colors available are green, 2 shades of blue (pale and royal blue), 2 shades of gray, red, orange and purple.
All you need to do here is to select a theme and click “Save”. That is the skin your blog will be using. You could always change it to something else or pick up customization options that will make your skin show up with slightly different colors.

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How I can get the themes?
See here: http://www.aquoid.com/news/themes/suffusion/suffusion-tutorial-for-wordpress/
I think you should add the theme of the Categories in the illustrations.
http://c.upanh.com/uploads/07-Jan-2010/276hwjnlymx2d11a4th.jpg
I don’t think I understood what you are trying to say
I think you will do.