If you want to find some icons used in your application, here are some icon resources.
1. The Visual Studio 2005 Image Library provides many icons.
The Visual Studio 2005 Image Library (VS2005ImageLibrary.zip) is copied to your computer when you install Visual Studio 2005 full Edition.
The Image Library is installed by default in
C:\Program Files\Microsoft Visual Studio 8\Common7\VS2005ImageLibrary\VS2005ImageLibrary.zip.
2. You also can find more icon resources from this thread.