The qw-tweaker_v1-3-7.zip file you have requested: Tools and Utilities / Miscellaneous / QW Tweaker v1.3.7 - 1.1mb is not available. Perhaps try browsing all files for the game Enemy Territory: Quake Wars and upload any files you want to share or are missing. This is the only information we could locate:
The 'Tweaker' is a small tweak utility for the game Enemy Territory Quake Wars, Demo and Full versions (BETA 2 is supported too). With it you can tune the game settings.