well i know it's kind of a not the answer you were looking for but you should just practiceyou have a decent drawingtry looking up xia taptra or feng zhu on youtube if it's digital that's giving you problems and if it's general technical side of things i would recommend proko, he's also on youtubei'm not a master really but those are the guys i learned from the most and that i admirealso if you can find anything by kekai kotaki it would be very good since he is self taught but those things are hard to come byhope it helps man