Because a day without a pointless Flash thingy is like a day without, um, a pointless Flash thingy.
Click on the small picture, then one of the floating upside-down helmets (?) to start.
It's somewhat interactive; move your cursor over the galloping horses, for example.
This sounds like a lot of work for a pointless Flash thingy; but trust me -- at the end of it you'll say, "Now that was a pointless Flash thingy."
Warning: Music.