Stop Recommended videos and Thumbnail images in embed youtube video

If you want to stop recommended videos after finishing video then you need to add one attribute link in embed youtube url.

to embed youtube video in code below is link to display.

https://www.youtube.com/embed/"+ youtubevideoid +"

now stop recommended videos just add rel=0 in above link.

https://www.youtube.com/embed/" + youtubevideoid + "?rel=0

now if you want to take thumbnail image of respected video then below is the link.

https://img.youtube.com/vi/" + youtubevideoid + "/2.jpg