I used pastels, and thank you!
I didn't post it on the critique thread because I had that news, but I probably will anyways now

EDIT: Thank you Jeanette! You're right, normally I would think of stuff like that if I was doing oekaki but it slipped my mind! I wasn't trying to achieve exact realism, I know I'm not quite to that level and when I try too hard, it comes out worse than if I just draw without limitations, etc.
I'm very happy about the program, I hope it works out!