This is the Polymer element which allow you to display thumbnail image over YouTube embed iframe on your web page.
Main issues that this elemene is able to solve is:
If you have interested in usign this element, please visit the GitHub repository and see README.md for more detail.
To play from 1:38 by auto play.
To play from its begining without auto play and controller displays.
To play from 10 with AutoPlay and displaying info without controller.