Also, no one knows who put that on the wikipedia page about the Taurus grille, and no one has ever found a picture of an Insight with one, even the Japanese members. It may not really exist or maybe someone had a modded car in Japan at one point? The carpet is available new from Majestic but it'll cost you ($384 new for the whole assembly):
Honda Automotive Parts
Used... they'll all be in worn shape, don't know how bad yours is, but even a used one from a better condition wreck could be an improvement, but definitely put down a good floor mat or you'll just wear out whatever you put down there.
Sam