How to download youtube thumbnail

How to download youtube thumbnail?
Today I will guide you how to download youtube thumbnail simply and quickly.
First you go to this http://ftoole.com/download-youtube-thumbnail. Next you find the video or video list that you need to download the thumbnail. Copy all their links and paste them into "Link videos & playlists" then click "Download youtube thumbnail". You wait a moment, the list of youtube thumbnail will show you click on the download button to download
Good luck.