SWBFgamersUpdate1.0_forDevelopers.rar
http://www.swbfgamers.com/index.php?action=downloads;sa=view;down=401 (http://www.swbfgamers.com/index.php?action=downloads;sa=view;down=401)
SWBFgamersUpdate1.0_forDevelopers.rar
This is for developers it is incomplete, but has most of the maps and some of the sides.
Note: this update needs to be extracted here:
C:\Program Files\LucasArts\Star Wars Battlefront\GameData\Data\_LVL_PC\SWBFgamersUpdate1.0
Take the mission file that is located here
C:\Program Files\LucasArts\Star Wars Battlefront\GameData\Data\_LVL_PC\SWBFgamersUpdate1.0\001-modified mission.lvl file for SWBFupdate 1.0
and replace the stock mission file.
See the discussions in the forum for more details.