If you are using Windows 7 or Vista and your graphics card supports Aero, then you must be enjoying the transparent windows having glass in their borders. The one and only thing which doesn’t match with the new Aero interface is “Command Prompt” window. now here is small utility for it,

just download the exe file and run it. This utility sits on the system tray and you can open the command prompt window to see it in all new Aero glass look. You can remove this effect by exiting utility from the system tray
Download