I think the folders with dots in them (camera folders) are the threads you posted in. Other than that it follows the same procedure it always did (flames for alot of replys, red for new, yellow for old).
would have drove me crazy if it was the other way because then I would have to figure out how it determines when it should display a folder and when a cam, ahh kinda like em now though I don't understand why a camera was chosen as the pic.