This demo shows a Call to Action box in the video player when the video ends. It may also be used with audio but in that case, the height of the audio must be at least 150.
The box can be styled via the default settings and/or via the div class calltoaction, which you can define in the style sheet of your theme.
Call To Action with text:
Call To Action with an image:
You can either use an image or Text call out, not together (except for the hypertext, of course).
If you want to use double quotes in text or hyperlink, you can use two single quotes. Double quotes break the shortcode: