Notes:

Image explanation (copied from source):

First post in the thread after the OP. This is essentially the image version of "FIRST!" comments.

*Thread Marshal -- Motorsport marshal.
*№ 2 -- On imageboards, the first reply is typically counted as post number 2.
*Flora -- She's got racing stripes.
*Green Flag -- Start of the race. The numbers on it are thread statistics for newly created 4chan threads (found at top and bottom of threads).
*Garden of Eden (background) -- Newly created thread.