diff --git a/README.md b/README.md
index 9c15b83..900e40e 100644
--- a/README.md
+++ b/README.md
@@ -4,5 +4,9 @@
 # Dependencies
 This script depends on `wf-recorder`, `wofi`, and, obviously, `bash`.
 
-# Running
-Put this script somewhere in your $PATH, and run `wf-shadow --help`
+# Installation
+## Package Manager
+Currently, no distributions include `wf-shadow` as a package. See "Manual Installation".
+
+## Manual Installation
+Put this script somewhere in your $PATH. To find which directories are in your $PATH, run `sed 's/:/\n/g' <<< "$PATH"`.
diff --git a/wf-shadow b/wf-shadow
index 8f48948..80b9497 100755
--- a/wf-shadow
+++ b/wf-shadow
@@ -16,12 +16,26 @@
 #
 
 RUNTIME="${XDG_RUNTIME_DIR:-/run}/wf-shadow"
+CONFIG="${WF_SHADOW_CONFIG:-${XDG_CONFIG_HOME:-$HOME/.config}/wf-shadow/config.sh}"
+
+if [ ! -d "${CONFIG%/*}" ]; then
+	mkdir -p "${CONFIG%/*}" 2>/dev/null
+fi
+
+if [ ! -f "$CONFIG" ]; then
+	printf '' >> "$CONFIG"
+fi
 
 MONITOR=1
 AUDIO_DEV=""
 VIDEO_DEV=""
 VERBOSE=""
-trap 'kill $(jobs -p) 2>/dev/null' EXIT 
+WF_SHADOW_DIR="${WF_SHADOW_DIR:-"$HOME"/Videos/wf-shadow}"
+WF_SHADOW_FORMAT="${WF_SHADOW_FORMAT:-%Y%m%d_%H:%M:%S}"
+
+. "$CONFIG"
+
+trap 'kill $(jobs -p) 2>/dev/null' EXIT
 trap 'exit' INT
 set -m
 
@@ -33,8 +47,8 @@ if [ ! -d /tmp/wf-shadow ]; then
 	mkdir -p /tmp/wf-shadow 2>/dev/null
 fi
 
-if [ ! -d "$HOME"/Videos/wf-shadow ]; then
-	mkdir -p "$HOME"/Videos/wf-shadow 2>/dev/null
+if [ ! -d "$WF_SHADOW_DIR" ]; then
+	mkdir -p "$WF_SHADOW_DIR" 2>/dev/null
 fi
 
 if ! command -v wf-recorder &>/dev/null; then
@@ -54,32 +68,35 @@ wf-shadow: A Wayland shadow recorder using wf-recorder and wofi
 USAGE: wf-shadow OPTION [OPTIONS...]
 
 OPTIONS:
-	-s MONITOR, --start MONITOR	Start a wf-shadow instance with display number MONITOR
-	-r MONITOR, --record MONITOR	Record the last few moments of video using a wofi menu
-	-e MONITOR, --end MONITOR	End wf-shadow instance with display number MONITOR
-	-a DEVICE, --audio DEVICE	Use DEVICE for audio recording. Passed to wf-recorder -a
-	-V DEVICE, --video DEVICE	Use DEVICE for video encoding. Passed to wf-recorder -d
-	-v, --verbose	Verbose output
-	-h, --help	Show this menu
+	-s, --start [MONITOR]	Start a wf-shadow instance with display number MONITOR.
+	-r, --record [MONITOR]	Record the last few moments of video using a wofi menu.
+	-e, --end [MONITOR]	End wf-shadow instance with display number MONITOR.
+	-a, --audio DEVICE	Use DEVICE for audio recording. Passed to wf-recorder -a.
+	-V, --video DEVICE	Use DEVICE for video encoding. Passed to wf-recorder -d.
+	-v, --verbose	Verbose output.
+	-h, --help	Show this menu.
 
-VARIABLES:
-	\$WF_SHADOW_SAVE	The directory to save clips in
-	\$WF_SHADOW_FORMAT	The date format to save clips in
+For a more in-depth guide, see wf-shadow(1)
 EOF
 	exit $1
 }
 
 record() {
-	local FILE="${WF_SHADOW_SAVE:-"$HOME"/Videos/wf-shadow/}""$(date +"${WF_SHADOW_FORMAT:-%Y%m%d_%H:%M:%S}")__$2".mp4
-	if [ $VERBOSE ]; then
-		if ffmpeg -nostdin -y -sseof -"$2" -i "$1" "$FILE" &>/dev/null; then
-			notify-send "Clip saved" "$2 second clip saved to $FILE"
+	local SAVE_FILE
+	if [ ! $WF_SHADOW_SAVE ]; then
+		SAVE_FILE="$WF_SHADOW_DIR"/"$(date +"$WF_SHADOW_FORMAT")__$2".mp4
+	else
+		SAVE_FILE="$(eval "$WF_SHADOW_SAVE")"
+	fi
+	if [ -n "$VERBOSE" ]; then
+		if ffmpeg -nostdin -y -sseof -"$2" -i "$1" "$SAVE_FILE" &>/dev/null; then
+			notify-send "Clip saved" "$2 second clip saved to $SAVE_FILE"
 		else
 			notify-send "Error saving clip" "Start a new session with --verbose to see ffmpeg output"
 		fi
 	else
-		if ffmpeg -nostdin -y -sseof -"$2" -i "$1" "$FILE"; then
-			notify-send "Clip saved" "$2 second clip saved to $FILE"
+		if ffmpeg -nostdin -y -sseof -"$2" -i "$1" "$SAVE_FILE"; then
+			notify-send "Clip saved" "$2 second clip saved to $SAVE_FILE"
 		else
 			notify-send "Error saving clip" "Start a new session with --verbose to see ffmpeg output"
 		fi
@@ -90,8 +107,8 @@ start() {
 	local WOFI_STRING="5 seconds\n10 seconds\n15 seconds\n30 seconds\n1 minute\n5 minutes\n10 minutes\nCancel\n"
 	while true; do
 		for i in /tmp/wf-shadow/tmp{00..10}.mp4; do
-			touch "$i"
-			if [ $VERBOSE ]; then
+			printf '' >> "$i"
+			if [ -n "$VERBOSE" ]; then
 				wf-recorder ${VIDEO_DEV:+-d "$VIDEO_DEV"} -a $AUDIO_DEV -f "$i" <<< y$'\n'$MONITOR &
 			else
 				wf-recorder ${VIDEO_DEV:+-d "$VIDEO_DEV"} -a $AUDIO_DEV -f "$i" <<< y$'\n'$MONITOR &>/dev/null &
@@ -99,7 +116,12 @@ start() {
 			printf "%s" "$!" > "$RUNTIME"/"$MONITOR".pid
 			fg || exit
 
-			case "$(if [ $VERBOSE ]; then printf "$WOFI_STRING" | wofi --dmenu -i -H 500 -W 250 -x 0 -y 0; else printf "$WOFI_STRING" | wofi --dmenu -i -H 500 -W 250 -x 0 -y 0 &> /dev/null; fi)" in
+			case "$(if [ -n "$VERBOSE" ]; then
+					printf "$WOFI_STRING" | wofi --dmenu -i -H 500 -W 250 -x 0 -y 0
+				else
+					printf "$WOFI_STRING" | wofi --dmenu -i -H 500 -W 250 -x 0 -y 0 &> /dev/null
+				fi)" in
+
 				'5 seconds')  record "$i" 5   ;;
 				'10 seconds') record "$i" 10  ;;
 				'15 seconds') record "$i" 15  ;;
@@ -114,20 +136,33 @@ start() {
 }
 
 until [ -z "$1" ]; do
+	re="[0-9]+"
 	case "$1" in
 		'-h' | '--help') print_help ;;
 		'-e' | '--end')
 			END=1
-			MONITOR="$2"
-			shift 2 ;;
+			if [[ "$2" =~ $re ]]; then
+				MONITOR="$2"
+				shift 2
+			else
+				shift 1
+			fi ;;
 		'-r' | '--record')
 			RECORD=1
-			MONITOR="$2"
-			shift 2 ;;
+			if [[ "$2" =~ $re ]]; then
+				MONITOR="$2"
+				shift 2
+			else
+				shift 1
+			fi ;;
 		'-s' | '--start')
 			START=1
-			MONITOR="$2"
-			shift 2 ;;
+			if [[ "$2" =~ $re ]]; then
+				MONITOR="$2"
+				shift 2
+			else
+				shift 1
+			fi ;;
 		'-a' | '--audio')
 			AUDIO_DEV="$2"
 			shift 2 ;;
diff --git a/wf-shadow.1 b/wf-shadow.1
index 46128f6..c0fb70f 100644
--- a/wf-shadow.1
+++ b/wf-shadow.1
@@ -24,12 +24,13 @@ and wofi(1) in order to accomplish the task.\&
 .P
 .SH OPTIONS
 .P
-\fB-s, --start\fR \fIMONITOR\fR
+\fB-s, --start\fR [\fIMONITOR\fR]
 .RS 4
-Starts a wf-shadow instance on monitor number \fIMONITOR\fR.\&
+Starts a wf-shadow instance on monitor number \fIMONITOR\fR, if no \fIMONITOR\fR
+is specified, then use monitor #1.\&
 .P
 .RE
-\fB-r, --record\fR \fIMONITOR\fR
+\fB-r, --record\fR [\fIMONITOR\fR]
 .RS 4
 Record the last few moments of video using a wofi(1) menu.\&
 .P
@@ -37,7 +38,7 @@ This will use the same \fIMONITOR\fR number as any running session of
 \fBwf-shadow\fR.\&
 .P
 .RE
-\fB-e, --end\fR \fIMONITOR\fR
+\fB-e, --end\fR [\fIMONITOR\fR]
 .RS 4
 End the current instance running on monitor \fIMONITOR\fR.\&
 .P
@@ -66,7 +67,7 @@ Show a simple help menu
 .RE
 .SH ENVIRONMENT
 .P
-\fBWF_SHADOW_SAVE\fR
+\fBWF_SHADOW_DIR\fR
 .RS 4
 The path to the directory used to save clips.\&
 .P
@@ -76,6 +77,49 @@ The path to the directory used to save clips.\&
 The date(1) \fI-d\fR format used by \fBwf-shadow\fR to save clips.\&
 .P
 .RE
+\fBWF_SHADOW_SAVE\fR
+.RS 4
+The bash(1) command to run to get the save file for clips.\& The output of
+the command is used as the path.\& Overrides \fBWF_SHADOW_DIR\fR and
+\fBWF_SHADOW_FORMAT\fR.\&
+.P
+.RE
+\fBWF_SHADOW_CONFIG\fR
+.RS 4
+The path to the configuration file used by \fBwf-shadow\fR.\&
+See \fBCONFIGURATION\fR for how to configure \fBwf-shadow\fR.\&
+.P
+.RE
+.SH CONFIGURATION
+.P
+The configuration file takes the form of a bash(1) script.\& This file is sourced
+after default variables are set.\& Use standard bash variable definitions in order
+to set either environment variables found in \fBENVIRONMENT\fR, or the following
+variables.\&
+.P
+\fBMONITOR\fR
+.RS 4
+The monitor number to use to start, end, or record on.\& Default is 1.\&
+.P
+.RE
+\fBAUDIO_DEV\fR
+.RS 4
+This variable is the same as what is passed to \fI-a\fR.\& See \fBOPTIONS\fR for
+more information.\&
+.P
+.RE
+\fBVIDEO_DEV\fR
+.RS 4
+This variable is the same as what is passed to \fI-V\fR.\& See \fBOPTIONS\fR for
+more information.\&
+.P
+.RE
+\fBVERBOSE\fR
+.RS 4
+This variable is non-empty if verbose output should be enabled.\& Same as
+\fI-v\fR.\&
+.P
+.RE
 .SH EXAMPLES
 .P
 \fBwf-shadow\fR \fI-s\fR \fI1\fR
@@ -109,7 +153,7 @@ Other  See output.\&
 .P
 .SH SEE ALSO
 .P
-wf-recorder(1) wofi(1) ffmpeg(1) pactl(1) date(1)
+wf-recorder(1) wofi(1) ffmpeg(1) pactl(1) date(1) bash(1)
 .P
 .SH AUTHOR
 Skylar "The Cobra" Widulski <thecobra@riseup.\&net>
diff --git a/wf-shadow.1.scd b/wf-shadow.1.scd
index a9cc00c..2a2664d 100644
--- a/wf-shadow.1.scd
+++ b/wf-shadow.1.scd
@@ -17,16 +17,17 @@ and wofi(1) in order to accomplish the task.
 
 # OPTIONS
 
-*-s, --start* _MONITOR_
-	Starts a wf-shadow instance on monitor number _MONITOR_.
+*-s, --start* [_MONITOR_]
+	Starts a wf-shadow instance on monitor number _MONITOR_, if no _MONITOR_
+	is specified, then use monitor #1.
 
-*-r, --record* _MONITOR_
+*-r, --record* [_MONITOR_]
 	Record the last few moments of video using a wofi(1) menu.
 
 	This will use the same _MONITOR_ number as any running session of
 	*wf-shadow*.
 
-*-e, --end* _MONITOR_
+*-e, --end* [_MONITOR_]
 	End the current instance running on monitor _MONITOR_.
 
 *-a, --audio* _DEVICE_
@@ -45,12 +46,43 @@ and wofi(1) in order to accomplish the task.
 
 # ENVIRONMENT
 
-*WF_SHADOW_SAVE*
+*WF_SHADOW_DIR*
 	The path to the directory used to save clips.
 
 *WF_SHADOW_FORMAT*
 	The date(1) _-d_ format used by *wf-shadow* to save clips.
 
+*WF_SHADOW_SAVE*
+	The bash(1) command to run to get the save file for clips. The output of
+	the command is used as the path. Overrides *WF_SHADOW_DIR* and
+	*WF_SHADOW_FORMAT*.
+
+*WF_SHADOW_CONFIG*
+	The path to the configuration file used by *wf-shadow*.
+	See *CONFIGURATION* for how to configure *wf-shadow*.
+
+# CONFIGURATION
+
+The configuration file takes the form of a bash(1) script. This file is sourced
+after default variables are set. Use standard bash variable definitions in order
+to set either environment variables found in *ENVIRONMENT*, or the following
+variables.
+
+*MONITOR*
+	The monitor number to use to start, end, or record on. Default is 1.
+
+*AUDIO_DEV*
+	This variable is the same as what is passed to _-a_. See *OPTIONS* for
+	more information.
+
+*VIDEO_DEV*
+	This variable is the same as what is passed to _-V_. See *OPTIONS* for
+	more information.
+
+*VERBOSE*
+	This variable is non-empty if verbose output should be enabled. Same as
+	_-v_.
+
 # EXAMPLES
 
 *wf-shadow* _-s_ _1_
@@ -76,7 +108,7 @@ Other  See output.
 
 # SEE ALSO
 
-wf-recorder(1) wofi(1) ffmpeg(1) pactl(1) date(1)
+wf-recorder(1) wofi(1) ffmpeg(1) pactl(1) date(1) bash(1)
 
 # AUTHOR
 Skylar "The Cobra" Widulski <thecobra@riseup.net>