For punkbuster

http://www.youtube.com/watch?v=tk0wWbaNnKM

General stuff about enemy territory :

http://www.youtube.com/watch?v=5snqFUfnXVk

http://www.youtube.com/watch?v=SMMx8WRIsxM

For et pro:

http://www.youtube.com/watch?v=ceT3Q8cDVBA