Stream media from a Windows 7 PC to another Windows 7 Pc locally and over the Internet.

http://www.nytimes.com/2010/04/08/technology/personaltech/08pogue-email.html?8cir

All you need is a middle-man connection which is a free Windows Live
ID. No need to do any port forwarding.

How to skip commercials in Windows 7 Media Center and shrink the video files

http://www.howtogeek.com/howto/12486/how-to-skip-commercials-in-windows-7-media-center/
http://mcebuddy.com/Home.aspx