This book details how to customize the look and feel of Flex applications. It takes you through how to customize style and layouts using CSS; how to bring design assets into Flex from applications such as Photoshop, Illustrator, Fireworks, and Flash; how to spice up your design work with some handy ActionScript 3.0 techniques; and even a look forward to designing hybrid desktop/web applications with Flex and AIR. It culminates with several design-oriented case studies, including a video picker application, picture gallery, customer service site, and more.