Visual Migraine Animation- sort of similar to what my auras look like. I definitely don't agree with the "no pain, so just enjoy the display" part. Some people are lucky enough to just have the aura with no migraine!
Migraine Illustrated- I've had many in the last 3 years and this picture describes it better than any words. Migraine results from instabilities within the brain and these can be successfully treated by Neurofeedback