If there's a pic there, I don't see it. But pic hosting sites are blocked here at work, so meh.
Sounds like it could cold break material. I don't have a lot of extract experience, so I don't know if that's an issue, but that's what I would guess. Getting a good, fast chill will help some of the proteins come out of solution in a manner similar to what you have described.
It could also be the Irish moss as well. But brewing AG, I got that gunk dropping out during cooling without using Irish moss.