Just change the id of video with code given below(Below the Eminem’s Photo) according to your size need and place it in download then your picture will appear and from there you can save it.
I am changing the id with Eminem’s Rap God Video www.youtube.com/watch?v=XbGs_qK2PQA
To Change The Size Of Thumbnail use the Code as shown below:
- Player Background Thumbnail (480×360 pixels)
- Start Thumbnail (120×90 pixels)
- Middle Thumbnail (120×90 pixels)
- End Thumbnail (120×90 pixels)
- High Quality Thumbnail (480×360 pixels)
- Medium Quality Thumbnail (320×180 pixels)
- Normal Quality Thumbnail (120×90 pixels)
And additionally, the next two thumbnails may or may not exist. For HQ videos they exist.
- Standard Definition Thumbnail (640×480 pixels)
- Maximum Resolution Thumbnail (1920×1080 pixels)