The other day, while exploring Instagram, I found a lovely Asheville artist, who does a monthly challenge of doodle prompts. You can see the whole list of prompts on that link, and you can see her work here on Facebook. I love her doodles, and love this idea of no pressure drawing. I am actually using kid's Crayola markers. I am 98% sure I will only do this for July, but we'll see. Here is what I have for the first 4 prompts:
4. "Red, White and Blue"