Startup Customizations for Media Center in Windows 7

go to Start > All Programs, right-click on Windows Media Center and select “Properties.”
you will see the Target box with the text string: %windir%\ehome\ehshell.exe.
To add each of these switches to the Target, simply leave a space after
%windir%\ehome\ehshell.exe, type the switch, and click “Save.
” When you are finished, it should read like this:

%windir%\ehome\ehshell.exe /no startupanimation

Disable the Startup Animation & Music
/no startupanimation
Media Only Mode
/mediamode
RTL Mode
If you prefer to look at things from right to left, you may enjoy RTL mode.
/rtl
Remove Shut Down from Tasks
/noshutdownui
No Chrome
This switch opens Media Center without the window frame and
doesn’t display an icon on the task bar.
/nochrome
Open in the Video Library
/directmedia:video
Start in Recorded TV
/directmedia:tv
Open in the Picture Library
/directmedia:pictures
Open in the Music Library
/directmedia:music
Play Your Music at Startup
/playallmusic
Play your favorite songs
/playfavmusic
Play Music with a Slideshow
/playslideshowwithmusic
play the slideshow with only your favorite music.
/playfavslideshowwithmusic
Start with Just a Slideshow
/playslideshow
slideshow of just your favorites.
/playfavslideshow