Brilliantly simple advice in less than five minutes by Neil Gaiman, author of Coraline.
Maria Popova, from Brain Pickings, talks about Ray Bradbury's book, Zen in the Art of Writing. She mentions his use of lists as a method of inspiration. Here's a sample quote:
"I was beginning to see a pattern in the list, in these words that I had simply flung forth on paper, trusting my subconscious to give bread, as it were, to the birds."
And to fill your artist's bucket, an unbelievable display of chalk art: