Asi se ven las URLs solo reemplaza el ID.

https://i3.ytimg.com/vi/dQw4w9WgXcQ/maxresdefault.jpg

https://i3.ytimg.com/vi/dQw4w9WgXcQ/sddefault.jpg

https://i3.ytimg.com/vi/dQw4w9WgXcQ/mqdefault.jpg

https://i3.ytimg.com/vi/dQw4w9WgXcQ/2.jpg
https://i3.ytimg.com/vi/dQw4w9WgXcQ/1.jpg

https://i3.ytimg.com/vi/dQw4w9WgXcQ/0.jpg