Alt+Tab Tuner is a freeware utility that allows you to control and tweak the hidden settings of Alt+Tab windows switching dialog.

It allows you to change the side, top and bottom margins.
It also lets you do the following:
- Change amount of rows and columns in Alt+Tab windows;
- Change size of thumbnails;
- Change spacing between thumbnails;
- Change appearance of icons under thumbnails;
- Change window transparency;
- Turn on old good classic dialog;
- Add fade effect when switching to desktop.
Download page: Deviantart.
Best to always create a system restore point first!
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