"You Must Have Dark to Show The Light"
That's the Bob Ross quote you had to use for the Adobe Creative Jam.
At first I thought of doing the stereotypical creepy drawing with light and dark, a child and some dark monster lurking in the shadows. But in the end I decided to show the good side of darkness following Bob ross spirit.
I discovered the contest with just a couple hours left to participate so this is the best I could do with what I had.