was just registering here, i didn't get the captcha right the first time, so i got a new picture.. this 1

and i read
You should read 5 characters in this image.
, there defiantly isn't a human-readable fifth letter in this image (or i really need glasses), also i noticed, quite often when you press the "request an other image", you get a 3
!/4-character image
(readably at least, maybe an expert can analyze the image and figure out the fifth letter... if there even was generated a fifth letter)and btw, "CYYF" was not the correct answer to the image
so i guess this is a forum-bug