diff --git a/config.def.h b/config.def.h
index 6e87351..41abbba 100644
--- a/config.def.h
+++ b/config.def.h
@@ -33,8 +33,8 @@ static const Rule rules[] = {
 	 *	WM_NAME(STRING) = title
 	 */
 	/* class      instance    title       tags mask     isfloating   monitor */
-	{ "Gimp",     NULL,       NULL,       0,            1,           -1 },
-	{ "Firefox",  NULL,       NULL,       1 << 8,       0,           -1 },
+	{ "Gimp",       NULL,       NULL,       0,            1,           -1 },
+	{ "Iceweasel",  NULL,       NULL,       1 << 8,       0,           -1 },
 };
 
 /* layout(s) */
@@ -66,6 +66,21 @@ static char dmenumon[2] = "0"; /* component of dmenucmd, manipulated in spawn()
 static const char *dmenucmd[] = { "dmenu_run", "-m", dmenumon, "-fn", dmenufont, "-nb", col_gray1, "-nf", col_gray3, "-sb", col_cyan, "-sf", col_gray4, NULL };
 static const char *termcmd[]  = { "st", NULL };
 
+/* volume controls */
+static const char *upvol[]   = { "amixer", "-q", "set", "Master", "5%+", "unmute", NULL };
+static const char *downvol[] = { "amixer", "-q", "set", "Master", "5%-", "unmute", NULL };
+static const char *mutevol[] = { "amixer", "-q", "set", "Master", "toggle", NULL };
+
+/* brightnes */
+static const char *brightdowncmd[] = { "xbacklight","-dec", "5", NULL };
+static const char *brightupcmd[] = { "xbacklight","-inc", "5", NULL };
+
+/* lock screen */
+static const char *lockcmd[] = { "slock", NULL };
+
+/* screenshot */
+static const char *capturecmd[] = { "scrot","-s", NULL };
+
 static Key keys[] = {
 	/* modifier                     key        function        argument */
 	{ MODKEY,                       XK_p,      spawn,          {.v = dmenucmd } },
@@ -94,6 +109,13 @@ static Key keys[] = {
 	{ MODKEY,                       XK_minus,  setgaps,        {.i = -1 } },
 	{ MODKEY,                       XK_equal,  setgaps,        {.i = +1 } },
 	{ MODKEY|ShiftMask,             XK_equal,  setgaps,        {.i = 0  } },
+	{ MODKEY|ControlMask,           XK_l,      spawn,          {.v = lockcmd } },
+	{ 0,                            XF86XK_AudioMute, spawn,   {.v = mutevol } },
+	{ 0,                            XF86XK_AudioRaiseVolume, spawn, {.v = upvol } },
+	{ 0,                            XF86XK_AudioLowerVolume, spawn, {.v = downvol } },
+	{ 0,                            XF86XK_MonBrightnessDown, spawn, {.v = brightdowncmd } },
+	{ 0,                            XF86XK_MonBrightnessUp, spawn, {.v = brightupcmd } },
+	{ 0,                            XK_Print,  spawn,          {.v = capturecmd } },
 	TAGKEYS(                        XK_1,                      0)
 	TAGKEYS(                        XK_2,                      1)
 	TAGKEYS(                        XK_3,                      2)
diff --git a/dwm.c b/dwm.c
index 0d70f45..2af5270 100644
--- a/dwm.c
+++ b/dwm.c
@@ -40,6 +40,7 @@
 #include <X11/extensions/Xinerama.h>
 #endif /* XINERAMA */
 #include <X11/Xft/Xft.h>
+#include <X11/XF86keysym.h>
 
 #include "drw.h"
 #include "util.h"