What to do to a girl that post my picture on Facebook and said very bad things about me?

i think you should play a game with her just like the way she did.

make a fake account with any anonymous name. like few bad pages.

after that upload few nude pics and tag her.

in this way her reputation will go down .

also you don't need to worry as it would be a fake account and you don't get involved in it. ha ha.

do all to take the reveenge. best of luck,.

Ignore her simple as that, any body with a 2 cent brain know she is doing it for attention, just ignore and it will go away. Block her but don't stoop to her level and retaliate, I don't know your circumstances and I bet she is making up a bit to get attention?

Well, do you live in her auntie house for free, freeloading? Maybe you should tell the auntie about the post. If the girl has actually told the truth, why would you think she should get punishment

Report Her. Block Her.

Depending how much she said what she said how bad the things she said were etc.. You could try to see if you could get her for harassment

Technically you could sue her if you have the time and money to do so... Just threaten to take legal action if the picture is not removed.

You can report her. Facebook will do something about it

block her on fb, report. her fb will be deleted and all her pics and friends gone! lol