diff -Nur fluxbox-0.1.14/nls/C/fluxbox.m fluxbox-screens-0.1.14/nls/C/fluxbox.m
--- fluxbox-0.1.14/nls/C/fluxbox.m	2001-12-11 21:47:35.000000000 +0100
+++ fluxbox-screens-0.1.14/nls/C/fluxbox.m	2003-01-03 23:48:03.000000000 +0100
@@ -4,3 +4,5 @@
 # Blackbox::Blackbox: no managable screens found, aborting\n
 $ #MapRequest
 # Blackbox::process_event: MapRequest for 0x%lx\n
+$ #ScreensOutOfRange
+# Fluxbox::Fluxbox: you can only choose screen 0 - %d\n
diff -Nur fluxbox-0.1.14/nls/C/main.m fluxbox-screens-0.1.14/nls/C/main.m
--- fluxbox-0.1.14/nls/C/main.m	2002-02-02 22:54:31.000000000 +0100
+++ fluxbox-screens-0.1.14/nls/C/main.m	2003-01-03 23:46:32.000000000 +0100
@@ -9,6 +9,7 @@
 $ #Usage
 # Fluxbox %s: (c) 2001-2002 Henrik Kinnunen\n\n\
   -display <string>\t\tuse display connection.\n\
+  -screen <value>\t\tuse specified local screen.\n\
   -rc <string>\t\t\tuse alternate resource file.\n\
   -version\t\t\tdisplay version and exit.\n\
   -help\t\t\t\tdisplay this help text and exit.\n\n
@@ -19,3 +20,5 @@
   Shape:\t\t\t%s\n\
   Slit:\t\t\t\t%s\n\
   8bpp Ordered Dithering:\t%s\n\n
+$ #SCREENRequiresArg
+# warning: '-screen' requires an argument\n
diff -Nur fluxbox-0.1.14/nls/blackbox-nls.hh fluxbox-screens-0.1.14/nls/blackbox-nls.hh
--- fluxbox-0.1.14/nls/blackbox-nls.hh	2002-12-08 03:20:38.000000000 +0100
+++ fluxbox-screens-0.1.14/nls/blackbox-nls.hh	2003-01-03 23:41:30.000000000 +0100
@@ -136,6 +136,7 @@
 	blackboxSet = 0xd,
 	blackboxNoManagableScreens = 0x1,
 	blackboxMapRequest = 0x2,
+	blackboxScreensOutOfRange = 0x3,
 
 	CommonSet = 0xe,
 	CommonYes = 0x1,
@@ -171,6 +172,7 @@
 	mainWarnDisplaySet = 0x3,
 	mainUsage = 0x4,
 	mainCompileOptions = 0x5,
+	mainSCREENRequiresArg = 0x6,
 
 	bsetrootSet = 0x10,
 	bsetrootMustSpecify = 0x1,
diff -Nur fluxbox-0.1.14/src/fluxbox.cc fluxbox-screens-0.1.14/src/fluxbox.cc
--- fluxbox-0.1.14/src/fluxbox.cc	2002-12-08 16:55:32.000000000 +0100
+++ fluxbox-screens-0.1.14/src/fluxbox.cc	2003-01-03 23:58:25.000000000 +0100
@@ -121,6 +121,7 @@
 #include <algorithm>
 #include <typeinfo>
 
+extern signed int sessionScreen;
 using namespace std;
 using namespace FbTk;
 
@@ -381,33 +382,59 @@
 
 	int i;
 	load_rc();
+	I18n *i18n = I18n::instance();
 	//allocate screens
-	for (i = 0; i < getNumberOfScreens(); i++) {
+	if (sessionScreen == -1) {
+		for (i = 0; i < getNumberOfScreens(); i++) {
+			char scrname[128], altscrname[128];
+			sprintf(scrname, "session.screen%d", i);
+			sprintf(altscrname, "session.Screen%d", i);
+			BScreen *screen = new BScreen(m_screen_rm, scrname, altscrname, i);
+			if (! screen->isScreenManaged()) {
+				delete screen;			
+				continue;
+			}
+			screenList.push_back(screen);
+
+			// attach screen signals to this
+			screen->currentWorkspaceSig().attach(this);
+			screen->workspaceCountSig().attach(this);
+			screen->workspaceNamesSig().attach(this);
+			screen->clientListSig().attach(this);
+
+			// initiate atomhandler for screen specific stuff
+			for (size_t atomh=0; atomh<m_atomhandler.size(); ++atomh) {
+				m_atomhandler[atomh]->initForScreen(*screen);
+			}
+		}
+	} else if ((sessionScreen < -1) || (sessionScreen >= getNumberOfScreens())) {
+		fprintf(stderr,
+			i18n->getMessage(
+				FBNLS::blackboxSet, FBNLS::blackboxScreensOutOfRange,
+				"Fluxbox::Fluxbox: you can only choose screen 0 - %d\n"), getNumberOfScreens());
+		exit(1);
+	} else {
 		char scrname[128], altscrname[128];
-		sprintf(scrname, "session.screen%d", i);
-		sprintf(altscrname, "session.Screen%d", i);
-		BScreen *screen = new BScreen(m_screen_rm, scrname, altscrname, i);
+		sprintf(scrname, "session.screen%d", sessionScreen);
+		sprintf(altscrname, "session.Screen%d", sessionScreen);
+		BScreen *screen = new BScreen(m_screen_rm, scrname, altscrname, sessionScreen);
 		if (! screen->isScreenManaged()) {
-			delete screen;			
-			continue;
+			delete screen;
 		}
 		screenList.push_back(screen);
-		
+
 		// attach screen signals to this
 		screen->currentWorkspaceSig().attach(this);
 		screen->workspaceCountSig().attach(this);
 		screen->workspaceNamesSig().attach(this);
 		screen->clientListSig().attach(this);
-		
+
 		// initiate atomhandler for screen specific stuff
 		for (size_t atomh=0; atomh<m_atomhandler.size(); ++atomh) {
 			m_atomhandler[atomh]->initForScreen(*screen);
 		}
-
-		
 	}
 
-	I18n *i18n = I18n::instance();
 	if (screenList.size() == 0) {
 		fprintf(stderr,
 			i18n->
diff -Nur fluxbox-0.1.14/src/main.cc fluxbox-screens-0.1.14/src/main.cc
--- fluxbox-0.1.14/src/main.cc	2002-12-08 16:46:41.000000000 +0100
+++ fluxbox-screens-0.1.14/src/main.cc	2003-01-03 23:38:01.000000000 +0100
@@ -67,6 +67,8 @@
 
 #endif //!DEBUG_UDS
 
+signed int sessionScreen = -1;
+
 const char *getNLSYesNoMsg(bool val) {
 	if (val) {
 		return I18n::instance()->getMessage(
@@ -128,6 +130,19 @@
 					 "warning: couldn't set environment variable 'DISPLAY'\n"));
 				perror("putenv()");
 			}
+		} else if (strcmp(argv[i], "-screen") == 0) {
+			// check for -screen option... to run on a specified local screen, not on all
+			// specified in your XF86Config
+
+			if ((++i) >= argc) {
+				fprintf(stderr,
+					i18n->getMessage(
+					 FBNLS::mainSet, FBNLS::mainSCREENRequiresArg,
+					 "warning: '-screen' requires an argument\n"));
+				exit(1);
+			}
+			sessionScreen = atoi(argv[i]);
+
 		} else if (strcmp(argv[i], "-version") == 0) {
 			// print current version string
 			printf("Fluxbox %s : (c) 2001-2002 Henrik Kinnunen \n\n",
@@ -140,6 +155,7 @@
 			FBNLS::mainSet, FBNLS::mainUsage,
 			"Fluxbox %s : (c) 2001-2002 Henrik Kinnunen\n\n"
 			"	-display <string>\t\tuse display connection.\n"
+			"	-screen <value>\t\tuse specified local screen.\n"
 			"	-rc <string>\t\t\tuse alternate resource file.\n"
 			"	-version\t\t\tdisplay version and exit.\n"
 			"	-help\t\t\t\tdisplay this help text and exit.\n\n"),