Forgot about the user agent switch. However without the proper device some things will not work. Which directly leads to your mentioning of this:
Quote:I was thinking jPlayer was already activated but it wasn't. Also I thought jplayer enabled html5 functionality but it still says I need the latest flash plugin when running with firefox (or the latest browser - ha!).
Yes, and you should really read here why that is so and why that it is more Firefox's than jPlayer's "fault":
http://jplayer.org/latest/developer-guide/#reference-html5-media (this is referenced in the plugin documentation on http://www.zenphoto.org/documentation/plugins/_zp-extensions---jplayer.php.html).