Howtogeek posted a tutorial about organizing your programs in the Windows 7 taskbar

Would you like to keep your programs neat and orderly in your Windows 7 taskbar? Let's look at an easy way to make your taskbar simpler and more aesthetic all at the same time. The Windows 7 taskbar makes it easy to have quick access to your favorite programs With pinned applications, jumplists, and more, it's easier than ever to manage your applications from the taskbar without opening the Start menu. Unfortunately, it's also easy to get your programs in a mess where it's hard to find what you're looking for.

  How to Organize Your Programs in the Windows 7 Taskbar