how to disable vista/7 live folders?

i want to know something,is there some way that i can disable live folders of vista,as it was in xp,just to show folder icon not the content inside even in closed form,it shows 2-3files preview.i have some iconpackages for iconpackager which dont have live folders and i feel sad,as they are awesome icons packs.
plz tell me some way...

I, again, have referred to our excellent, tutorials, edited by our own Brink. I hope this one selection helps you as much as they have helped me.

http://www.vistax64.com/tutorials/73715-thumbnails-windows-explorer.html?ltr=T