So I remember seeing a really nice, reasonably priced clamping tripod for taking top down shots. It was featured in a picture with a look down over the lens, and it ran about $30. It looked like it clamped tight to the side of an aquarium, with a strong goosneck. It was on R2R, and I can't find the thread again, but admitidly, I've not tried super hard. Anybody know what I'm talking about? Links?