New Behavior Generator Paraliminal http://www.learningstrategies.com/Paraliminal/Home.asp
Can you Postview without PhotoReading again, yes, you may. You can also PhotoRead again and Postview straight away.
Contrast book a book on a different subject teaching something similar, management / playing chess, debating, getting better deal as a customer, toddler training, can be contrast book.
Yes, include a contrast book when you direct learn.
Regular reading is the old fashioned as you learned in school reading. Without a purpose you won't know when you find something useful in a book.
PhotoReading, tap your purpose and you'll know when you see something worth dipping or skittering for it's worth.