Preloader failed

I’m using an autoscroll thumbnailer component to display pictures. click on the thumb nail the zoom image loaded on another component (it’s part of the same). But the problem is that I can’t set the preloader for the externally loaded images.:m:

There is an argument for the component but that is not working. You can download the source file from [COLOR=red]here[/COLOR]. Please note that the file uploaded in a free webspace and you can find a link at the bottom of the page to download. Any help will really appreciated.