Chrome Extension - Image of Extension on Settings Page

I am trying to figure out how to get an image/icon of our extension to display on the Settings->Extensions page. I looked through the manifest api but the closest thing I found related to this was to include "Icons" which did not work.

enter image description here

How do I see image extensions in Chrome?

To add the View Image extension, visit its page in the Chrome Web Store, click Add to Chrome, and then click Add extension in the following pop-up window. The View Image button should then show up in following Google Image searches.

How do I find out the extension of an image?

you can use php built-in pathinfo function. <? php $supported_image = array( 'gif', 'jpg', 'jpeg', 'png' ); $src_file_name = 'abskwlfd.

Looking at my manifest (where I have an icon) I have:

{
   "name": "Obviously there's more to my manifest file. Also, I'm not using manifest version 2 yet", 
   "icons":
   {
      "128": "images/icon128.png",
      "16": "images/icon16.png",
      "48": "images/icon48.png"
   }
}