thanks for all the quick responses koiguy! I'm sure you have better things to do than to walk a newbie through this stuff and I appreciate your time. My end goal is to have those nice home-made bio-filters, etc and do all of this right, but right now i have to use a "band-aid." The ponds weren't the only disaster area in this house when we moved in. We're about 1/3 of the way through overhauling the back yard. They thought it was their weird frog-filled paradise.
Here are before pictures:
From the ponds look up towards the house:
From the upstairs window looking back:
And now it looks like this:
and
So you can see why I can't devote all my time to the ponds. The pond overhaul will be NEXT season!
-James