Absolutely stick with SFI's proven system. Yes proven system. SFI has 17 years of experience in their system. It works. Follow this proven system along with your own touches and strategies. You never know when something extra will trigger a response from your downline and they will realize what an amazing opportunity they have stumbled upon.
I would recommend to ask your upline and/or in the forum for advice and opinions just to make sure your 'own touches and strategies' are allowed.