We had occasion to go through our archives from the al-Nusra forum - a site that ceased operation after it's webmaster ceased breathing, killed as he was fighting for al-Qaida in northern Lebanon - and turned up this link to a LEE-distributed video:

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An examination of the HTML behind the link to LEE media indicates that the link was first posted on the al-Firdaws forum, and then copied and pasted into the al-Nusra forum.