You can read an Stackoverflow post here https://stackoverflow.com/questions/2068344/how-do-i-get-a-youtube-video-thumbnail-from-the-youtube-api/50134504#50134504
You can read an Stackoverflow post here https://stackoverflow.com/questions/2068344/how-do-i-get-a-youtube-video-thumbnail-from-the-youtube-api/50134504#50134504