Flash/ Research / xml?

Hi

I have set myself the near impossible task of creating a fully functioning dynamic website.

The general idea is mini previews of tourist destinations, which get arranged according to popularity, opening time, type of location.

Therotically how would I go about this? Which is best xml? php?

I have a search function working within a main swf at the moment, but obviously I would need to parse array information from externals.

Helpful links?

Thanks