This extension allows you to download a youtube image for the current page.
Averity is an youtube plugin.
Now, you can download video thumbnail image instantly!
Simply as can be.
Just click plugin icon and press "Download" button.
Image is automatically saved in your "Downloaded" folder.
No need to view the site source.
No need to find "og:image" keyword.
Now youve got a perfect solution to get hd youtube image.