Shells and exteriors, the chassis and bumpers—a little extra flair goes a long way in some automobiles. The canards and skirts and other added panels come in a variety of concepts that could amaze or could baffle. For aerodynamics and performance to fun and flair, these finer details have been both formulas and fads. Call them beautiful or call them silly, no shortage of creativity was put into some of the panels we’ve seen over the years.