The sample_eden_for_brg_n2.rar file you have requested: Add Ons / Others / Islands / Nature Pack - Everon Island - 1.49mb is not available. Perhaps try browsing all files for the game ARMA: Cold War Assault and upload any files you want to share or are missing. This is the only information we could locate:
This is the Everon Island that comes with the Nature Pack and that uses this nature pack. The Everon Island that comes with the BergHoff's "Nature Pack".