WordPress › BJ Lazy Load « WordPress Plugins
Lazy loading makes your site load faster and saves bandwidth.
This plugin replaces all your post images, post thumbnails, gravatar images and content iframes with a placeholder and loads the content as it gets close to enter the browser window when the visitor scrolls the page.
You can also lazy load other images and iframes in your theme, by using a simple function.
Non-javascript visitors gets the original element in noscript.
WordPress › BJ Lazy Load « WordPress Plugins.