Firefox 3.6 Tip: Enable Visual Tab Switcher

Follow these steps to enable Visual Tab Switcher in Firefox 3.6:

1. Type about:config in the address bar and click the confirmation button.
2. Next, you will get the about:config page in the Firefox 3.6 browser. In the filter box, type browser.ctrlTab.previews
   
3. Now you will get a single entry by the name browser.ctrlTab.previews.
   
4. You need to right-click this entry and then select toggle to change its value to true.

keep pressing Ctrl+Tab on your keyboard. You will get a preview like this: