How can I stop the neighbors gardeners from standing on my block wall & sitting on my roof to trim their hedges?

You may have causes of action for trespass and nuisance. I would first send a cease and desist letter. I would take pictures (if possible) of...

Will I go to jail

It is unclear from your question why you would get a "fine in the mail." Are you talking about a "civil demand letter" or something else? Copy...

Will I go to jail

Probably will not do jail time for a first time offense, but no guarantee. As for what you can do, the very best thing to do is to get a lawyer. ...

Will I be able to inspire the truly ethical among you to action help to an innocent man injured by corruption and cover-ups?

I would contact the California Innocence Project. Copy and paste: https://californiainnocenceproject.org/submit-a-case/submit-a-case/

What happens if my ex girlfriend sends my underage daughter naked pictures of me that only my girlfriend and i sent each other.

I would call the police and file report. Then file for a restraining order.

How much time is he looking at and will it be in prison or jail?

Honestly, only his attorney would be able to effectively answer this question. We do not know anything about the underlying offense or the facts...

Will I go to jail off a 600$ petty theft misdeamor?

I would have to know more. What county did this happen in? San Mateo?

You should review the lease agreement. Without seeing it, I can not say if this is trespass or another cause of action or not.

What is PC166(c)?

California Penal Code 166 PC defines conduct that constitutes "contempt of court" related to an order issued after a conviction in a criminal...

How can I get early termination of probation ?

File a motion for early termination of probation pursuant to PC 1203.3