Help is always at hand in any of Adobe's programs. If you go to the Help menu in ImageReady, you see the menu in Figure 11.5. The submenu items walk you step by step through common actions.
Figure 11.5. If you want to optimize an image, the Help system takes you through the steps, carefully explaining each one.
There's even a topic that explains how you can export your ImageReady or Photoshop files into Macromedia Flash SWF format, retaining layers as part of the animation.