Kirupa's XML gallery question

Hi

Is it possible to load backgrounds for the thumbnails in tutorial http://www.kirupa.com/developer/mx2004/thumbnails.htm

Now I have a mc containing multiple white backgrounds at 65x65px, which loads and places it under the loaded thumbnails (like a mask), but I would rather like it to load a singel mc, seperatly for each thumbnail. How can I do that?

Also, how can I make the thumbnails load one at a time with alpha growing from 0 to 100, like when loading the big image?

Thanks!