I want to get youtube highest thumbnail \"maxresdefault.jpg\"
Like this one
http://i.ytimg.com/vi/Cj6ho1-G6tw/maxresdefault.jpg
I\'m using this simple ph
All the other answers that are dependent on static url scraping are not supported. They can get changed and you may need to change your application at everytime.
For this you should use Data API v3. You should go with a videos->list request with id=videoId and part=snippet. In the response you will check snippet.thumbnails.['high'].url