I was asked how the wheel skirts are attached. Here's a picture of the skirt and its mounting location:
There are five slots around the perimeter of the skirt that line up with five tabs on the car. You slide the skirt up into those tabs, then attach two Dzus fasteners at the bottom. The Dzus fasteners are nice, in that you can remove the fasteners with a dime, with a quarter-turn. However, if you do it wrong (as Firestone did on my Insight), you lose your $15 Dsuz fastener and maybe your skirt, too.
And while I'm here, here's a picture of what I did this afternoon:
