How can one apply the skills developed through Vipassana meditation to overcome FMO/PMO (fantasy, porn, masturbation, orgasm) addiction?
As you keep practicing vipassana correctly,  you will discover more and more subtle habits and addictions. 

There are supportive practices for lessening sensual craving too such as  breaking the body up into pieces and contemplating them like hair, muscle, skin, blood, urine, feces, marrow,cartilage, bone, sweat, saliva, bile, snot. Viewing a decomposing body will lessen sensual craving and make you more aware of death too. It's very important to be aware of death.