What shall I do with crazy paving?

I believe it´s not so common any more. But apart from tarmac the whole area what can I do with old crazy paving that is no longer (if it ever was) joined up. It is essentially sitting on a mixture of soil and clay with lots of tiny stones mixed in (which i presume are from when it was first put in many years ago and probably filled the gaps between stones).
With large gaps between the big ´paves´ that i need to try and fill in - before terrible non-flowering weeds take over again.
Additionally there are lots of weeds growing between paving stones. Would it be best to try and grow something that looks nicer between those gaps (from 4mm to 1cm wide approx)?
Looking for inspiration. And something feasible bearing in mind it´s already October and I may have missed the season to do anything.
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https://www.sarahraven.com/articles/what-and-how-to-plant-in-paving-cracks
Although we are into October, generally speaking it's still mild so you could still have time.
Bear in mind that the location may also have a bearing, whether it's sunny, shady etc.
As mentioned above, a photo would help
Out the back is another story. VB is an absolute PITA.. I pull out or hoe off what I can.
I think I have pearlwort too. I like that as well whatever it is!