A Collection of those Files, that are different to Thievery 1.5. By installing this little unofficial Patch, you wont need to download Thievery 1.6 Full Version. The Files are:
UnrealTournament\System\ThieveryAI.u
UnrealTournament\System\ThieveryMod.u
UnrealTournament\System\ThMenu.u
UnrealTournament\System\ThDQ.u
UnrealTournament\Thievery\th-maps\Th-Nostalgia.unr
UnrealTournament\Thievery\th-maps\Th-Airship.unr
UnrealTournament\Thievery\th-maps\Th-Korman.unr

Also there is one change to ThAux.ini. you need to add:
ServerPackages=ThDQ.u
to the [Engine.GameEngine] section