The Cousins Bellic mission for GTA San Andreas.

You must have installed:

GTA IV Map to SA (won't work if you haven't installed this)
http://depositfiles.com/ru/files/f3ynya8r9
(Password: nikobellic01)

Roman
http://www.gtagaming.com/downloads/gta-san-andreas/player-mods/5184

Niko Bellic stories (Niko player, marker, pickups, etc.)
http://www.mediafire.com/?zzhjwzmyimm

Roman's Taxi from GTA IV to SA
http://www.gtainside.com/en/download.php?do=download&id=22157

To work you must have installed this mods and put DYOM1.dat file in GTA San Andreas User Files.

HAVE FUN!