It's called rainmeter. http://rainmeter.net/
I used Rainmeter widgets, the icons are called "icon launcher" and you edit the widget to point to your directories.
For the taskbar/windows, I also used a windows 7 visual style and a start orb changer. http://nomnuggetnom.deviantart.com/a...unch-208589730 you can use custom icons (mine are all 48px)
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