As we continue to roll out info on our upcoming Global Cities Week — see last week’s post — if you’d like to help spread word of the event, we’ve prepared a package of banner ads for the web that you can download from this link. Inside the package, you’ll find the following sizes, each available in pink, green, yellow, and blue: 190×300, 350×480, 640×480, 800×600, and 830×200. Feel free to point people to the front page of the PechaKucha website, which will soon be updated (later today) with info about the event.