Those all sound like good ideas BBW. Lower than 10 people would not be good in my opinion...
I still love the ponds! (Even if my rating is falling lately! lol) and I personally prefer the 1 and 2 day ponds. I would help by joining your fellowship ponds, Czuch, if I were in your fellowship. :-)
I would like the ability to after a certain amount of time, to make our fellowship ponds public. For example, if the minimum don't sign up by the time the deadline comes, the pond then goes to the public pond list. (If the creator wants that, that is)