"Harry whipped out his camera and snapped a few pictures. They were poloroids; they would self-develop within ten minutes."

God, don't I wish it were as nice as that.

No, Ginny isn't mentioned for another chapter or so. And there certainly is no explanation. Given how black-and-white this all has been, not so startling. Everyone the author doesn't like is just Evil, after all. Ginny does get a resolution, but it's...not too nice.