Procreate Lighting Tutorial??

Yo what I just noticed there’s a dark spot on the video. There’s probably dust in my camera aghhh. I really need something other than my phone to record these videos lol
my instagram: https://www.instagram.com/meowvian/

Equipment:
I use a regular 2018 9.7″ ipad, imovie, and an iphone 7 with no more storage balanced on a ruler that’s hanging off a shelf over my desk