Flash/XML Gallery questions

Hi,

I currently have a rough version of the Flash/XML gallery running on my site and I’m really happy with it as a one-off.

What I’d like to do though, is use it in a pop-up to show pictures related to news items. Is there any way I can define which XML file to load on the fly? For instance if I want to load one set of pictures for news article 1, I could tell the swf to load news1.xml without having to edit/re-upload the swf

For another section of the site, I want to use a larger version of the same gallery (as there will be bigger photos). would it be possible to create a combo box using xml files to do a similar thing?