I'd imagine Starry Night (my favorite!!) would be one of the more complicated ones? Randomly generate the buildings and then gradually draw the dots for them (

I'd imagine Starry Night (my favorite!!) would be one of the more complicated ones? Randomly generate the buildings and then gradually draw the dots for them (with the dots eventually twinkling out, alternating)... Most of the screensavers on the site are relatively straightforward from a web/CSS perspective :)