Allowing images in signatures is a bad idea, Ryan, I would just let them have there own 75x75 avatars. Having so many signatures is making it hard to scroll down so far to find the bottom of the posts, plus its annoying loading and seeing the same image again and again and again and again....
@ Ryan, its my opinion that you should remove the images within the signatures only allow like 100 characters. Therefore then give everyone avatars so its easier to go through the forums without seeing annoying messed up massively large images in everyone's signatures.