diff --git a/screen.to.0x0 b/screen.to.0x0
index 3bacf8a..7d7bfc3 100755
--- a/screen.to.0x0
+++ b/screen.to.0x0
@@ -1,18 +1,194 @@
 #!/bin/sh
 
 # The script will : {{{
-## Open scrot and allow the user to select the rectangle to capture
-## Send the file to a remote file hosting
+## Open a capture tool (flameshot or scrot) and
+## allow the user to select the rectangle to capture and
+## Send the file to a remote file hosting.
+##
 ## Require the script https://git.101010.fr/gardouille-dotfiles/scripts/src/branch/master/send.to.0x0.sh
 # }}}
 
-# Try to make a screen capture with scrot
-# --select : Interactively select a window or rectangle with the mouse.
-# --multidisp : For multiple heads
-# --exec : Execute some commands
-##       Move the image to /tmp
-##       Send the absolut path of the image file to clipboard
-scrot --select --multidisp --exec 'mv $f /tmp ; echo "/tmp/$f" | xclip -rmlastnl -selection clipboard'
+# Vars {{{
+readonly PROGNAME=$(basename "${0}")
+readonly NBARGS="${#}"
+## Test if DEBUG is already defined (inline, environment variable,…)
+[ -z "${DEBUG}" ] && DEBUG=1
+
+## Colors
+readonly RED='\033[0;31m'
+readonly RESET='\033[0m'
+readonly COLOR_DEBUG="${PURPLE}"
+
+DELAYED_MODE="1"
+# }}}
+usage() {                                                       # {{{
+
+	cat <<- EOF
+usage: $PROGNAME [--debug,--help] [--delay INT_DELAY_SECONDS] [INT_DELAY_SECONDS]
+
+Try to get a screen capture with available tool :
+  1. Flameshot (see : https://github.com/flameshot-org/flameshot)
+  2. Scrot
+And send it to a remote file hosting.
+
+EXAMPLES :
+    - Select the area, on the screen, to capture
+        ${PROGNAME}
+
+    - Wait 5 seconds before launching the capture tool
+        ${PROGNAME} 5
+        ${PROGNAME} --delay 5
+
+OPTIONS :
+    --debug
+        Enable debug messages.
+
+    -d,--delay INT_DELAY_SECONDS
+        Wait INT_DELAY_SECONDS before launching capture tool
+
+    --help
+        Print this help message.
+
+EOF
+
+}
+# }}}
+debug_message() {                                               # {{{
+
+	local_debug_message="${1}"
+
+	## Print message if DEBUG is enable (=0)
+	[ "${DEBUG}" -eq "0" ] && printf '\e[1;35m%-6b\e[m\n' "DEBUG − ${PROGNAME} : ${local_debug_message}"
+
+	return 0
+}
+# }}}
+
+# Manage arguments                                                # {{{
+
+## If there is argument(s)
+if [ ! "${NBARGS}" -eq "0" ]; then
+
+	manage_arg="0"
+
+	## If the first argument is not an option {{{
+	## Use it to delay screenshot
+	if ! printf -- '%s' "${1}" | grep -q -E -- "^-+";
+	then
+		## Use this argument for delay_screenshot (in seconds)
+		delay_screenshot="${1}"
+		## Enable DELAYED screenshot mode
+		DELAYED_MODE="0"
+
+		## Switch to the next argument
+		shift
+		manage_arg=$((manage_arg+1))
+	fi
+	## }}}
+	# Parse all options (start with a "-") one by one
+	while printf -- '%s' "${1}" | grep -q -E -- "^-+"; do
+
+	case "${1}" in
+		--debug )             ## Enable debug mode
+			## Enable DEBUG
+			DEBUG="0"
+			;;
+		-d|--delay )           ## Add a delay
+			## Enable DELAYED screenshot mode
+			DELAYED_MODE="0"
+			## Move to the next argument
+			shift
+			## Define the delay with this argument (in seconds)
+			delay_screenshot="${1}"
+			;;
+		-h|--help )            ## help
+			usage
+			## Exit after help informations
+			exit 0
+			;;
+		* )                    ## unknow option
+			printf '%b\n' "${RED}Invalid option: ${1}${RESET}"
+			printf '%b\n' "---"
+			usage
+			exit 1
+			;;
+	esac
+
+	debug_message "Arguments management − \
+${RED}${1}${COLOR_DEBUG} option managed."
+
+	## Move to the next argument
+	shift
+	manage_arg=$((manage_arg+1))
+
+	done
+
+	debug_message "Arguments management − \
+${RED}${manage_arg}${COLOR_DEBUG} argument(s) successfully managed."
+else
+	debug_message "Arguments management − \
+No arguments/options to manage."
+fi
+
+# }}}
+
+## Use Flameshot if available {{{
+if [ "$(command -v flameshot)" ]; then
+	### Take a capture {{{
+	if [ "${DELAYED_MODE}" -eq "0" ]; then
+		debug_message "Flameshot tool − \
+DELAYED_MODE enabled."
+		## Convert delay screenshot to milliseconds
+		delay_screenshot="$(( ${delay_screenshot} * 1000 ))"
+		## Open flameshot after "${delay_screenshot}" seconds
+		flameshot gui --path /tmp --delay "${delay_screenshot}"
+	else
+		debug_message "Flameshot tool − \
+Capture with gui."
+		## Open flameshot
+		flameshot gui --path /tmp --delay 50
+	fi
+	### }}}
+
+	### Get full path of the image file of the capture
+	### If the capture was successfully saved
+	if find /tmp -maxdepth 1 -mmin -1 -iname "*.png" > /dev/null 2>&1; then
+		### Get the absolut path of the most recent image
+		img_absolut_path="$(find /tmp -maxdepth 1 -mmin -1 -iname "*.png" | sort | tail -n 1)"
+		debug_message "Flameshot tool − \
+Absolut path of the most recent image in /tmp: ${img_absolut_path}."
+	else
+		debug_message "Flameshot tool − \
+No recent image in /tmp."
+	fi
+	echo "${img_absolut_path}" | xclip -rmlastnl -selection clipboard
+## }}}
+else  ## Use Scrot {{{
+	debug_message "Scrot tool − \
+You might consider installing `flameshot`."
+	## --delay : Wait NUM seconds before taking a shot.
+	## --select : Interactively select a window or rectangle with the mouse.
+	## --multidisp : For multiple heads, grab shot from each and join them together.
+	## --exec : Directly open the screenshot with Gimp then delete it
+
+	## After successful capture, scrot will :
+	### Move the image to /tmp
+	### Send the absolut path of the image file to clipboard
+	if [ "${DELAYED_MODE}" -eq "0" ]; then
+		debug_message "Scrot tool − \
+DELAYED_MODE enabled."
+		## Take a full screenshot because
+		### mouse couldn't be grab if already used in another app
+		scrot --delay "${delay_screenshot}" --multidisp --exec 'gimp $f ; mv $f /tmp/'
+	else
+		debug_message "Scrot tool − \
+Capture with select."
+		scrot --select --multidisp --exec 'gimp $f ; mv $f /tmp/'
+		scrot --select --multidisp --exec 'mv $f /tmp ; echo "/tmp/$f" | xclip -rmlastnl -selection clipboard'
+	fi
+
+fi
+## }}}
 
 # Call a script to automatically send the content of clipboard to a remote file hosting
 ~/bin/send.to.0x0.sh