Gillingham captain Barry Fuller is brought down by Myles Weston.
Gills debutant James Walker goes close.
Brentford's Charlie MacDonald fires home the first of his two penalties.
Simeon Jackson can't get to the ball in the Brentford box.
Curtis Weston tries to drive Gillingham forward.
Brentford keeper Wojciech Szczesny makes a flying save.
James Walker in the thich of the action for Gillingham.
Substitute Luke Rooney tries to out-muscle Brentford's Ryan Dickson.
Gills look down and out after Brentford's fourth goal.
Brentford keeper Wojciech Szczesny claims above substitute Mark McCammon.
KM Group photographer Barry Goodwin was at Griffin Park on Saturday to capture all the action from the League 1 clash between Brentford and Gillingham.