Loading an image from a chrome extension on a page

Instead of:

iconURL = "/favicons/example.png";

It should be:

iconURL = chrome.extension.getURL("/favicons/example.png");

which returns absolute URL to a file inside extension folder.

Also remove chrome-extension://*/* from manifest as it doesn't do anything.

In case people are having this problem on Chrome 17 or later, it's because the manifest must include the web_accessible_resources section to allow an image packed within the extension to be injected into a web page. web accessible resources