What are some ways to spark creativity when you're feeling stressed?

Flow: The Psychology of Optimal Experience

Have you heard of the flow concept by Mihaly Csikzentmihalyi? I find it easier to get creative by leveraging memory, walking, reading and get in the flow. Somehow you have to find ways to transition from the stress to flow state. This article at the end of page 5 has a bit on coping with stress which might make it easier to get into the flow of creativity.