made a simple script with AutoIt and converted it to exe in about 2 minutes. Downloaded maps from multiple servers. Just made empty txt files for testing, Tested Vista/7, test XP tomorrow (@MyDocumentsDir supposed to be OS friendly)
$MapLocation = @MyDocumentsDir & "\My Games\Ironclad Games\Sins of a Solar Empire Rebellion\GalaxyForge\"
InetGet("http://soase.x90x.net/MapsRebellion/map1.galaxy", $MapLocation & "map1.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map2.galaxy", $MapLocation & "map2.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map3.galaxy", $MapLocation & "map3.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map4.galaxy", $MapLocation & "map4.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map5.galaxy", $MapLocation & "map5.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map6.galaxy", $MapLocation & "map6.galaxy")
InetGet("http://soase.x90x.net/MapsRebellion/map7.galaxy", $MapLocation & "map7.galaxy")
InetGet("http://dl.dropbox.com/u/65067669/Maps/map8.galaxy", $MapLocation & "map8.galaxy", 1)
InetGet("http://dl.dropbox.com/u/65067669/Maps/map9.galaxy", $MapLocation & "map10.galaxy", 1)
InetGet("http://dl.dropbox.com/u/65067669/Maps/map10.galaxy", $MapLocation & "map11.galaxy", 1)
InetGet("http://dl.dropbox.com/u/65067669/Maps/map11.galaxy", $MapLocation & "map11.galaxy", 1)
MsgBox(0, "Done","Download Complete!")
It will bork if the save to dir is not there but you can add choose dir if error = 1 or create dir