Summer is a great time for a little shadow play. It's a great time of the year to do some experimenting with bolder color choices and shimmery finishes. I've got you covered on a simple tip for applying shadow, and I've provided the basics of choosing the right shades. So now that you're off to a good start, go forth and check out eleven of the most popularly reviewed shadows for $20 or less on the Product Reviews website. Good times.