When you create a player in Explaindio Player with YouTube video you can add a pause and stop YouTube overlay on your video. Create a player using YouTube video. Scroll down and go to Customize options. In order to add an overlay during pause click to turn on the toggle button next to Youtube Overlay (pause). To add an overlay when stopped click to turn on the toggle button next to Youtube Overlay (stop).
Enter your Overlay Image URL for pause and Overlay Image URL for stop. Click Save to apply changes.
On preview you'd find the overlay image during pause and on stop.