That'll require some fancy coding in the product listing module to detect all the media options assigned to each separate product's attributes and make appropriate variables available ... and then template alterations to add in the code to render the media player using that information every time it loops thru a product's information.
You can probably glean some of the coding concepts from the media manager module and template, which you're already familiar with from other edits you've done.
.
Zen Cart - putting the dream of business ownership within reach of anyone!
Donate to: DrByte directly or to the Zen Cart team as a whole
Remember: Any code suggestions you see here are merely suggestions. You assume full responsibility for your use of any such suggestions, including any impact ANY alterations you make to your site may have on your PCI compliance.
Furthermore, any advice you see here about PCI matters is merely an opinion, and should not be relied upon as "official". Official PCI information should be obtained from the PCI Security Council directly or from one of their authorized Assessors.