You could probably manually turn them off, after all they're only likely to be variables (make your own manual format internally etc.).
As for the other Question, Forum Filtering is in v1.1 and that will do what you want. I'm not sure whether he's going to allow for multiple outputs and filtering (same time) just yet though? < That's what I want =).
Having said that you could easily edit the code to call latest_threads2 or something like that. Yet it'd take a bit of time.
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