Justin Blanton on using Click-to-Flash in Chrome as a built in feature:
>The thing is, with Chrome, you don’t need a plugin or extension to ensure that Flash (or any other type of content that requires a plugin) is blocked by default, but easily enabled when needed; this sort of functionality is built into the browser.
He also has an [impressive list](http://hypertext.net/2012/01/chrome-extensions) of extensions for Chrome.