Here are some How Do I Videos:

• Operating System Deployment-Offline servicing

http://technet.microsoft.com/en-us/edge/Hh967516

• PXE Configuration

http://technet.microsoft.com/en-us/edge/Hh967521

• OSD-Task Sequence export and Import

http://technet.microsoft.com/en-us/edge/Hh967519

• Installing hierarchy of sites

http://technet.microsoft.com/en-us/edge/Hh967541

• Secondary Site Installation

http://technet.microsoft.com/en-us/edge/Hh967524

• Site Maintenance

http://technet.microsoft.com/en-us/edge/Hh967522

• Replication Monitoring

http://technet.microsoft.com/en-us/edge/Hh967520