Customize-Ribbon-Create-VBA-Add-In.wmv
Shows how to use the OpenXML package editor to customize the ribbon and create a VBA add-in. One note - the Community Edition of Visual Studio does not support extensions, so you can't use the Open XML Package Editor with it. You can directly manipulate the Open XML document: • Directly Manipulating Open Xml
I plan on recording another screen-cast on this subject.