News/rss

Hi

For the sake of doing it I using the news ticker example to create a flash sig for my blog of highlighted posts.

The question is there anyway of creating an automatic xml updater? So that all I would have to do is place some sort of “highlighter” tag in a post, then the xml file would be updated, thus a new link appear in the news ticker?

I guess if I some how had rss for a tag, that then the xml was read into the flash file.

One issue is that the rss feeds seem to age, ie old stuff disappears, any ideas on how to counter tha?

any views welcome