Right-click the new config.cfg -> Properties -> Check "Read-only" . Why? CS 1.6 sometimes restores default values when you exit the game. Read-only prevents that.
settings to ensure enemy models are exactly where you see them. Typical Settings Overview Pain Cfg Cs 1.6
Even with a great CFG, movement accuracy matters. Remember to stop moving or tap the opposite direction key (counter-strafing) before firing. Right-click the new config