diff --git a/FexTracker/FexTrackerRel.lib b/FexTracker/FexTrackerRel.lib
index 17dbb531e..a998d6474 100644
Binary files a/FexTracker/FexTrackerRel.lib and b/FexTracker/FexTrackerRel.lib differ
diff --git a/FexTracker/FexTrackerRel_Opti.lib b/FexTracker/FexTrackerRel_Opti.lib
index 910ca934b..c38209731 100644
Binary files a/FexTracker/FexTrackerRel_Opti.lib and b/FexTracker/FexTrackerRel_Opti.lib differ
diff --git a/core/FexTracker.h b/core/FexTracker.h
index 681f22057..2af2f9d57 100644
--- a/core/FexTracker.h
+++ b/core/FexTracker.h
@@ -72,6 +72,7 @@ public:
 	FexTrackerConfig  Cfg;
 //work
 	void ProcessImage( float *Img, bool bFirst=0 ); //we assume grayscale image here
+	void InfluenceFeatures( int Frame, float x, float y, float off );
 
 	FexTrackingFeature* operator [] ( int i );
 	inline int GetCount(){ return nFeatures; };
diff --git a/core/bitmaps/button_track_point_add.bmp b/core/bitmaps/button_track_point_add.bmp
new file mode 100644
index 000000000..9feacbf62
Binary files /dev/null and b/core/bitmaps/button_track_point_add.bmp differ
diff --git a/core/bitmaps/button_track_point_del.bmp b/core/bitmaps/button_track_point_del.bmp
new file mode 100644
index 000000000..4757fa4c6
Binary files /dev/null and b/core/bitmaps/button_track_point_del.bmp differ
diff --git a/core/frame_main.h b/core/frame_main.h
index d79e2bfd9..01715bb1c 100644
--- a/core/frame_main.h
+++ b/core/frame_main.h
@@ -106,6 +106,8 @@ private:
 	void OnVideoStop(wxCommandEvent &event);
 	void OnVideoToggleScroll(wxCommandEvent &event);
 	void OnVideoTrackPoints(wxCommandEvent &event);
+	void OnVideoTrackPointAdd(wxCommandEvent &event);
+	void OnVideoTrackPointDel(wxCommandEvent &event);
 
 	void OnKeyDown(wxKeyEvent &event);
 
@@ -323,6 +325,8 @@ enum {
 	Video_Stop,
 	Video_Auto_Scroll,
 	Video_Track_Points,
+	Video_Track_Point_Add,
+	Video_Track_Point_Del,
 
 	Menu_File_Recent = 2000,
 	Menu_Video_Recent = 2200,
diff --git a/core/frame_main_events.cpp b/core/frame_main_events.cpp
index 90a0e8937..51dfe72c2 100644
--- a/core/frame_main_events.cpp
+++ b/core/frame_main_events.cpp
@@ -87,6 +87,8 @@ BEGIN_EVENT_TABLE(FrameMain, wxFrame)
 	EVT_BUTTON(Video_Stop, FrameMain::OnVideoStop)
 	EVT_TOGGLEBUTTON(Video_Auto_Scroll, FrameMain::OnVideoToggleScroll)
 	EVT_BUTTON(Video_Track_Points, FrameMain::OnVideoTrackPoints)
+	EVT_BUTTON(Video_Track_Point_Add, FrameMain::OnVideoTrackPointAdd)
+	EVT_BUTTON(Video_Track_Point_Del, FrameMain::OnVideoTrackPointDel)
 
 	EVT_CLOSE(FrameMain::OnCloseWindow)
 
@@ -1168,6 +1170,20 @@ void FrameMain::OnVideoTrackPoints(wxCommandEvent &event) {
 }
 
 
+///////////////////
+// Increase Influence
+void FrameMain::OnVideoTrackPointAdd(wxCommandEvent &event) {
+	videoBox->videoDisplay->TrackerEdit = 1;
+}
+
+
+///////////////////
+// Decrease Influence
+void FrameMain::OnVideoTrackPointDel(wxCommandEvent &event) {
+	videoBox->videoDisplay->TrackerEdit = -1;
+}
+
+
 ///////////////////////////////
 // Choose a different language
 void FrameMain::OnChooseLanguage (wxCommandEvent &event) {
diff --git a/core/res.rc b/core/res.rc
index 9817a1287..d618c2011 100644
--- a/core/res.rc
+++ b/core/res.rc
@@ -80,6 +80,8 @@ shift_to_frame_disable BITMAP "bitmaps/shift_to_frame_disable.bmp"
 button_play BITMAP "bitmaps/button_play.bmp"
 button_stop BITMAP "bitmaps/button_stop.bmp"
 button_track_points BITMAP "bitmaps/button_track_points.bmp"
+button_track_point_add BITMAP "bitmaps/button_track_point_add.bmp"
+button_track_point_del BITMAP "bitmaps/button_track_point_del.bmp"
 
 button_bold BITMAP "bitmaps/button_bold.bmp"
 button_italics BITMAP "bitmaps/button_italics.bmp"
diff --git a/core/video_box.cpp b/core/video_box.cpp
index 3fab70338..a1ea01200 100644
--- a/core/video_box.cpp
+++ b/core/video_box.cpp
@@ -61,6 +61,10 @@ VideoBox::VideoBox(wxPanel *parent) {
 	AutoScroll->SetValue(Options.AsBool(_T("Sync video with subs")));
 	wxBitmapButton *VideoTrackPointsButton = new wxBitmapButton(videoPage,Video_Track_Points,wxBITMAP(button_track_points),wxDefaultPosition,wxSize(25,-1));
 	VideoTrackPointsButton->SetToolTip(_("Track point movements in video"));
+	wxBitmapButton *VideoTrackPointAddButton = new wxBitmapButton(videoPage,Video_Track_Point_Add,wxBITMAP(button_track_point_add),wxDefaultPosition,wxSize(25,-1));
+	VideoTrackPointAddButton->SetToolTip(_("Increase influence of tracking points"));
+	wxBitmapButton *VideoTrackPointDelButton = new wxBitmapButton(videoPage,Video_Track_Point_Del,wxBITMAP(button_track_point_del),wxDefaultPosition,wxSize(25,-1));
+	VideoTrackPointDelButton->SetToolTip(_("Decrease influence of tracking points"));
 
 	// Seek
 	videoSlider = new VideoSlider(videoPage,-1);
@@ -96,6 +100,8 @@ VideoBox::VideoBox(wxPanel *parent) {
 	videoBottomSizer->Add(VideoPosition,1,wxLEFT|wxALIGN_CENTER,5);
 	videoBottomSizer->Add(VideoSubsPos,1,wxALIGN_CENTER,0);
 	videoBottomSizer->Add(VideoTrackPointsButton,0,wxTOP|wxBOTTOM|wxALIGN_CENTER,2);
+	videoBottomSizer->Add(VideoTrackPointAddButton,0,wxTOP|wxBOTTOM|wxALIGN_CENTER,2);
+	videoBottomSizer->Add(VideoTrackPointDelButton,0,wxTOP|wxBOTTOM|wxALIGN_CENTER,2);
 	VideoSizer = new wxBoxSizer(wxVERTICAL);
 	VideoSizer->Add(videoDisplay,0,wxEXPAND,0);
 	VideoSizer->Add(videoSliderSizer,0,wxEXPAND,0);
diff --git a/core/video_display.cpp b/core/video_display.cpp
index e3c1b3cc7..a6b7fc6c2 100644
--- a/core/video_display.cpp
+++ b/core/video_display.cpp
@@ -232,10 +232,29 @@ void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
 		return;
 	}
 
+	if( event.ButtonDown(wxMOUSE_BTN_LEFT) )
+		bTrackerEditing = 1;
+	if( event.ButtonUp(wxMOUSE_BTN_LEFT) )
+		bTrackerEditing = 0;
+
 	// Coords
 	int x = event.GetX();
 	int y = event.GetY();
 
+	// Do tracker influence if needed
+	if( bTrackerEditing )
+	{
+		AssDialogue *curline = grid->GetDialogue(grid->editBox->linen);
+		int StartFrame, EndFrame, localframe;
+		if( curline 
+			&& curline->Tracker 
+			&& (StartFrame = VFR_Output.CorrectFrameAtTime(curline->Start.GetMS(),true)) <= frame_n
+			&& (EndFrame = VFR_Output.CorrectFrameAtTime(curline->End.GetMS(),false)) >= frame_n 
+			&& (localframe = frame_n - StartFrame) < curline->Tracker->GetFrame() 
+		) 
+		curline->Tracker->InfluenceFeatures( localframe, float(x)/provider->GetZoom(), float(y)/provider->GetZoom(), TrackerEdit );
+	}
+
 	// Text of current coords
 	int sw,sh;
 	GetScriptSize(sw,sh);
@@ -272,14 +291,15 @@ void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
 		wxMemoryDC dc;
 		dc.SelectObject(*backbuffer);
 		dc.BeginDrawing();
-		dc.SetPen(wxPen(wxColour(255,255,255),1));
-		dc.SetLogicalFunction(wxINVERT);
 
 		// Draw frame
 		dc.DrawBitmap(GetFrame(frame_n),0,0);
 		// Draw the control points for FexTracker
 		DrawTrackingOverlay( dc );
 
+		dc.SetPen(wxPen(wxColour(255,255,255),1));
+		dc.SetLogicalFunction(wxINVERT);
+
 		// Current position info
 		if (x >= 0 && x < w && y >= 0 && y < h) {
 			// Draw cross
@@ -333,6 +353,8 @@ void VideoDisplay::OnMouseEvent(wxMouseEvent& event) {
 void VideoDisplay::OnMouseLeave(wxMouseEvent& event) {
 	if (IsPlaying) return;
 
+	bTrackerEditing = 0;
+
 	RefreshVideo();
 }
 
@@ -545,8 +567,7 @@ void VideoDisplay::DrawTrackingOverlay( wxDC &dc )
 	int localframe = frame_n - StartFrame;
 	if( curline->Tracker->GetFrame() <= localframe ) return;
 
-	dc.SetPen(wxPen(wxColour(255,255,255),1));
-	dc.SetLogicalFunction(wxINVERT);
+	dc.SetLogicalFunction(wxCOPY);
 
 	for( int i=0;i<curline->Tracker->GetCount();i++ )
 	{
@@ -559,8 +580,13 @@ void VideoDisplay::DrawTrackingOverlay( wxDC &dc )
 		pt.y *= provider->GetZoom();
 		pt.x = int(pt.x);
 		pt.y = int(pt.y);
-		dc.DrawLine( pt.x-2, pt.y, pt.x+3, pt.y );
-		dc.DrawLine( pt.x, pt.y-2, pt.x, pt.y+3 );
+
+		dc.SetPen(wxPen(wxColour(255*(1-f->Influence),255*f->Influence,0),1));
+
+		dc.DrawLine( pt.x-2, pt.y, pt.x, pt.y );
+		dc.DrawLine( pt.x, pt.y-2, pt.x, pt.y );
+		dc.DrawLine( pt.x+1, pt.y, pt.x+3, pt.y );
+		dc.DrawLine( pt.x, pt.y+1, pt.x, pt.y+3 );
 	}
 }
 
diff --git a/core/video_display.h b/core/video_display.h
index 51d645077..68e44c910 100644
--- a/core/video_display.h
+++ b/core/video_display.h
@@ -104,6 +104,8 @@ public:
 	bool loaded;
 	bool IsPlaying;
 	double fps;
+	double TrackerEdit;
+	bool bTrackerEditing;
 	VideoSlider *ControlSlider;
 	wxComboBox *zoomBox;
 	wxTextCtrl *PositionDisplay;