I use e-juice me up calculator from breaktru, I like my flavors strong and sweet. These are what works for me, you may want to change the percentage according to your own tastes.
P.A. Butter (Movie Popcorn) 10%
P.A. Jamaican Rum 10%
P.A. Butter (Movie Popcorn) 10%
P.A. Jamaican Rum 10%