Hi KIngston here,
i m aming to use iPhone to paint 54 cards in for a Sci Fi Poker card series, I m doing it daily on the train from home to work for about 2 weeks already. This is so far what i have... and i have a facebook account for the WIP painting video ( no idea how to post youtube video here, is there a updated tutorial ?), Check them out if you are interested:
W.I.P. videos on FB http://facebook.com/kingstons.art/
my youtube channel https://www.youtube.com/user/kinstonking