Hello to all! I want to recommend you a channel of my friend who draws very well. 
Her channel -https://www.youtube.com/channel/UCwBF2LvmqfAepxVLsqo64gg
New  speedpaint video in her channel - https://www.youtube.com/watch?v=5Tu3LLiUHks&feature=emb_err_woyt
Subscribe and support her) She is trying hard.