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Theres a thread about this called "Punch Fronts" its more about fronts off rollers but theres alot of good info in there. As for the 7 just huck it and keep turning your head. Your first few are most likely gonna be really ugly and penciled but just keep trying till your more and more comfortable.
... and for the front, commit > throw yourself forward (not down) and rotate so you'll get pop.
Its really easy, its all about commitment. The scary thing about it its a kinda blind trick, but the feeling thing comes natural.