It works properly but I just realize that when I go to a post with this bbcode on the iPad, it will show an empty space. My guess is that iPad safari does not support Flash. However, using the iPad to go to the PBS site, the video shows correctly there.
Here is the post on XF, and here is the pbs page http://www.pbs.org/wgbh/pages/frontline/money-power-wall-street/
The two embedded video are
I realize other media bbcode may run into this problem if they use flash iframe. Are there any fix this so they work on iOS?