Another good article from the blogs on Technet for ConfigMgr.
This one, is a summarisation of content already in the ConfigMgr Documentation Library, but brings it all together in one place for us, with a step by step walk through to boot.
How to create offline or standalone USB media for OS Deployment in ConfigMgr
Read the complete post at http://wmug.co.uk/blogs/r0b/archive/2011/05/06/steve-rachui-how-to-create-offline-or-standalone-usb-media-for-os-deployment-in-configmgr.aspx