Solution without headaches (after it's implemented, of course) is perfect (until it causes new headaches, of course, well that's what `scalability´ is for, isn't it ;-).

Yes, the Type is associated with some specific URL. The system knows which template (read script, special actions, etc.) to use on the content according to this Type information.

I'm sorry for a clunky description of my design :) I tried to be as clear as possible but that was the best I could compose at the time of writing.

As you got it correctly my problem can be described as `knowing how to construct paths from db entries chosen from a search engine query´. And after considering the words of monks (including yours) I think I'll evaluate HTdig and see what I can do.