I think it's one sketch per entrant Dellas
And it needs to be before the hidden deadline.
As regards the rules.
A reset would be good for me, as I haven't posted since going over 200.
But If I was Kasm or Otterfox I'd want the chance to grab the top spot before it went away. It is definitely fun fighting your way all the way up there ( over a very long period often when not many people are interested )
As for changes, I'd say don't give Michael any more work than he has already. If he his happy with a slight points tweak then that should be enough, especially if the current system is putting people off contributing.
Someone else could easily start a Newsjack comp or whatever & I think it would be popular