Actual Transparent Windows lets you apply transparency effect to any window in Windows 2000/XP. The transparency effect looks very impressive and may be useful with such windows as Windows Taskbar, WinAmp, Start menu and drop-down menus, Instant Messengers and others.Actual Transparent Windows lets you set individual transparency rate from 0% (fully transparent) to 100% (solid) for each window to achieve the desired effect.
More info:
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