<iframe width="853" height="480" src="http://www.youtube.com/v/BcNkL6irfUQ?version=3&" frameborder="0" allowfullscreen></iframe>
When I embed the above and view it in Chrome, it shows up fine. However when I view the same code in Firefox, it asks me to download a file and doesn’t display the embedded video. Any advice on how to fix this?
It could be that flash is not installed or enabled in your firefox browser.
View http://helpx.adobe.com/flash-player/kb/find-version-flash-player.html to see if flash is working properly in firefox