Last night I did this quick speed painting. Had some fun doing it.
I really needed the practice with this kind of stuff and I learned a few things doing it too. I was listening to this while I made it too.
http://www.jontorresart.com/
https://twitter.com/jontorresart
https://www.youtube.com/c/jontorresconceptartist
https://gumroad.com/jontorresart