In the 3rd pic there are blue chunks floating in the mix of it all. From what I have read blue-green algae will not clump together, but I may be mistaken.
That skoop idea might not be a bad plan...
ewest, you are correct. It is concentrated on the downwind side of the pond. The upwind side had a visibilty of at least a foot or so last night, which is GREAT for my pond.