choose a different ScrenSaver

Hi here,
I 'm using this script to run the default Screen Saver ,

do shell script "/System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine &"

I like to run different Screen Saver, how I can do ?
Thanks
M!

You can take a look here:

http://www.macosxhints.com/article.php?story=20020830050630964

Thank so much, is working

M!

do shell script "/System/Library/Frameworks/ScreenSaver.framework/Resources/ScreenSaverEngine.app/Contents/MacOS/ScreenSaverEngine -module Tunnel &"