I'm not an Apple user. Can you explain how "can't embed" fails.
Do the "nabble_embed" tags appear while creating the post?
Can you paste in the YouTube URL? or
When you preview or post the code the video does not display?
or something else happens?
Just a Volunteer Nabble Helper - because the nice folk at Nabble have helped me! GregHelp - Building a set of answers to Nabble FAQs.