Can the cops post on craigslist as an underage girl?

It sounds like they can and did. Meet with and retain a local criminal defense attorney as quickly as possible, if not sooner.

How much restitution do I still owe ?

There is no way anyone on this website would have more me information than your probation agent.

Can I try to go above the parole agent to get it lifted?

It is possible to formally request a change to this condition, and to go up the chain of command if unsuccessful, even back to the sentencing...

Is it possible for my long distance boyfriend's father to press charges for sexting (we are both minors, 16)? He threatened it.

Unless he is a prosecutor where you live, he cannot file charges against you. Whether you could even be charged with an offense under these...

No, since the recording appears to have nothing to do with the false accusation. You should be much more worried about resolving any criminal...

Can a parole officer use your cellphone to listen in on you 24/7 or knowingly allow others to do it?

I would recommend bringing proof of these things to a meeting with a local civil rights attorney.

Can I void out a annuity sold ?

Sue them for what? This is exactly what the company purports to do.

Why would it take long for the police station to send the report to the DA?

Perhaps they were waiting for you to post a confession on a public website.

Could my case be dismissed or what can i do to reduce the charges?

These are questions that you should address to your criminal defense attorney. If you do not have one, then you should retain one immediately, if...

Can I be charged with a drug neither I or the cops have?

You indicate that you have been charged, so apparently they feel that you can be charged.