The jihad forum al-nusra merged with the Global Islamic Media Front about 4 weeks ago – the GIMF/al-nusra posted this recently. Keep in mind that the al-firdaws forum and CVC, the califate voice channel, stated their merger some months ago. To give an overview, here is a screenshot of the forum announcement:
All the GIMF related posts look like this screen. Basically it simply announces the merger of “the al-nusra network under the banner of the global islamic media front.” What follows are excerpts from the quran (the believers are brothers) and the usual ideological framework of tawhid.