For youtube I use something like this:
<img class="video-thumbnail" src="http://img.youtube.com/vi/<?php echo $video_id; ?>/0.jpg" alt="" width="190">
where
$video_id is the code of that video from url.
Can I do something similar for Dailymotion videos
You just need to add an extra thumbnail
into the link.
Video URL
https://www.dailymotion.com/video/{video_id}
Thumbnail URL
https://www.dailymotion.com/thumbnail/video/{video_id}