Congratulations! If you've reached this point and have a basic understanding of what each plugin does and how to set it up, you've done well. If you actually went through the setup and made each one work, you deserve an A+.
You can do amazing things with these plugins just by working with markup and styles. It is rare that you have to do anything more with JavaScript than installing it. But it does add a layer of complexity that makes it more of a challenge to set up and tweak plugins.
Good news is that you can now use Alerts, Tooltips, and Dropdowns to highlight things on your page. You can organize your content or navigation using the Section plugin. For advanced navigation, you have the Top Bar. You can use Magellan or Joyride to navigate within a page. Orbit, Clearing, and Reveal are all powerful plugins to enhance your presentation of specific content on a page. With the new Interchange plugin, you can optimize image loading for specific devices. With the Forms and Abide plugins...