diff -u glN64/Config_linux.cpp /home/braddabug/mupen64/glN64/Config_linux.cpp
--- glN64/Config_linux.cpp	2005-08-26 14:52:17.000000000 -0500
+++ /home/braddabug/mupen64/glN64/Config_linux.cpp	2006-12-24 21:56:05.000000000 -0600
@@ -17,7 +17,7 @@
 static GtkWidget *configWindow = NULL;
 //static GtkWidget *bitdepthCombo[2], *resolutionCombo[2];
 static GtkWidget *resolutionCombo;
-static GtkWidget *enable2xSAICheck, *forceBilinearCheck, *enableFogCheck;
+static GtkWidget *enable2xSAICheck, *enableAnisotropicFilteringCheck, *forceBilinearCheck, *enableFogCheck;
 static GtkWidget *enableHardwareFBCheck, *enablePolygonStippleCheck;
 static GtkWidget *textureDepthCombo;
 static GtkWidget *textureCacheEntry;
@@ -109,6 +109,7 @@
 
 	OGL.forceBilinear = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(forceBilinearCheck) );
 	OGL.enable2xSaI = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(enable2xSAICheck) );
+	OGL.enableAnisotropicFiltering = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(enableAnisotropicFilteringCheck));
 	OGL.fog = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(enableFogCheck) );
 	OGL.frameBufferTextures = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(enableHardwareFBCheck) );
 	OGL.usePolygonStipple = gtk_toggle_button_get_active( GTK_TOGGLE_BUTTON(enablePolygonStippleCheck) );
@@ -143,6 +144,7 @@
 /*	fprintf( f, "width=%d\n",                 OGL.width );
 	fprintf( f, "height=%d\n",                OGL.height );*/
 	fprintf( f, "force bilinear=%d\n",        OGL.forceBilinear );
+	fprintf( f, "enable anisotropic=%d\n", OGL.enableAnisotropicFiltering );
 	fprintf( f, "enable 2xSAI=%d\n",          OGL.enable2xSaI );
 	fprintf( f, "enable fog=%d\n",            OGL.fog );
 	fprintf( f, "enable HardwareFB=%d\n",     OGL.frameBufferTextures );
@@ -182,6 +184,7 @@
 	gtk_entry_set_text( GTK_ENTRY(GTK_COMBO(resolutionCombo)->entry), text );
 
 	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(enable2xSAICheck),          (OGL.enable2xSaI) );
+	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(enableAnisotropicFilteringCheck),          (OGL.enableAnisotropicFiltering) );
 	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(forceBilinearCheck),        (OGL.forceBilinear) );
 	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(enableFogCheck),            (OGL.fog) );
 	gtk_toggle_button_set_active( GTK_TOGGLE_BUTTON(enablePolygonStippleCheck), (OGL.usePolygonStipple) );
@@ -235,7 +238,7 @@
 	gtk_container_set_border_width( GTK_CONTAINER(displayFrame), 7 );
 	gtk_container_add( GTK_CONTAINER(GTK_DIALOG(configWindow)->vbox), displayFrame );
 
-	displayTable = gtk_table_new( 5, 3, FALSE );
+	displayTable = gtk_table_new( 6, 3, FALSE );
 	gtk_container_set_border_width( GTK_CONTAINER(displayTable), 7 );
 	gtk_table_set_col_spacings( GTK_TABLE(displayTable), 3 );
 	gtk_table_set_row_spacings( GTK_TABLE(displayTable), 3 );
@@ -301,7 +304,8 @@
 	resolutionCombo = gtk_combo_new();
 	gtk_combo_set_value_in_list( GTK_COMBO(resolutionCombo), TRUE, FALSE );
 	gtk_combo_set_popdown_strings( GTK_COMBO(resolutionCombo), resolutionList );
-
+	
+	enableAnisotropicFilteringCheck = gtk_check_button_new_with_label( "Enable anisotropic filtering" );
 	enable2xSAICheck = gtk_check_button_new_with_label( "Enable 2xSAI texture scaling" );
 	forceBilinearCheck = gtk_check_button_new_with_label( "Force bilinear filtering" );
 	enableFogCheck = gtk_check_button_new_with_label( "Enable fog" );
@@ -335,6 +339,9 @@
 	// row 4
 	gtk_table_attach_defaults( GTK_TABLE(displayTable), enable2xSAICheck, 0, 1, 4, 5 );
 	gtk_table_attach_defaults( GTK_TABLE(displayTable), enablePolygonStippleCheck, 1, 2, 4, 5 );
+	
+	// row 5
+	gtk_table_attach_defaults( GTK_TABLE(displayTable), enableAnisotropicFilteringCheck, 0, 1, 5, 6);
 
 	// textures frame
 	texturesFrame = gtk_frame_new( "Textures" );
@@ -404,6 +411,7 @@
 //	OGL.windowedBits = 0;
 	OGL.forceBilinear = 0;
 	OGL.enable2xSaI = 0;
+	OGL.enableAnisotropicFiltering = 0;
 	OGL.fog = 1;
 	OGL.textureBitDepth = 1; // normal (16 & 32 bits)
 	OGL.frameBufferTextures = 0;
@@ -472,6 +480,10 @@
 		{
 			OGL.enable2xSaI = atoi( val );
 		}
+		else if (!strcasecmp( line, "enable anisotropic"))
+		{
+			OGL.enableAnisotropicFiltering = atoi( val );
+		}
 		else if (!strcasecmp( line, "enable fog" ))
 		{
 			OGL.fog = atoi( val );
diff -u glN64/OpenGL.h /home/braddabug/mupen64/glN64/OpenGL.h
--- glN64/OpenGL.h	2005-08-26 14:52:17.000000000 -0500
+++ /home/braddabug/mupen64/glN64/OpenGL.h	2006-12-24 21:43:46.000000000 -0600
@@ -72,6 +72,7 @@
 	int		maxGeneralCombiners;
 
 	BOOL	enable2xSaI;
+	BOOL	enableAnisotropicFiltering;
 	BOOL	frameBufferTextures;
 	int		textureBitDepth;
 	float	originAdjust;
diff -u glN64/Textures.cpp /home/braddabug/mupen64/glN64/Textures.cpp
--- glN64/Textures.cpp	2005-08-26 14:52:17.000000000 -0500
+++ /home/braddabug/mupen64/glN64/Textures.cpp	2006-12-24 21:57:42.000000000 -0600
@@ -748,6 +748,10 @@
 	// Set clamping modes
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, texture->clampS ? GL_CLAMP_TO_EDGE : GL_REPEAT );
 	glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, texture->clampT ? GL_CLAMP_TO_EDGE : GL_REPEAT );
+	
+	// Anisotropic filtering
+	if (OGL.enableAnisotropicFiltering)
+		glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, 4.0f);
 
 	texture->lastDList = RSP.DList;