There is a hacker that's going around and post pornographic pictures to your gallery or on your page, including a male's family jewels that is if he/she hacks your account. If he/she finds that you've posted this to a journal or on your page, he'll/she'll know you know what's going on and won't hack you. Please copy this for your safety to prevent your account from being hacked. 
Loveofleopards is already an example! 
Thank to  and @SuchiSan06