I just found out about facebook profile photo "hacks." It's not really a hack but more like changing your profile photo so that it's more unique and bends the usual rules for profile pics.
http://www.allfacebook.com/2009/02/face … oto-hacks/5 Creative Ways To Hack Your Facebook Profile Photo wrote:
...There isn’t a legal way to ‘hack’ Facebook, but there is a method to changing your profile photo to make your profile look subtly different and cooler. It isn’t obvious, but the placement of a profile photo allows you to lightly innovate on Facebook’s sacred profile layout...
Subbing this blank template allows you to achieve something Facebook normally does not allow: the option to not display a profile photo at all. A new Facebook account with no profile photo displays a box with a drawing of a mystery person with soft-serve icecream hair on it. Using a blank lined template allows you to add a little ‘negative’ space to your profile that is normally not possible.