diff --git a/scripts/_common.sh b/scripts/_common.sh
index e578830..12deedc 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -87,3 +87,89 @@ ynh_systemd_action() {
         ynh_clean_check_starting
     fi
 }
+
+
+#=================================================
+#YNH_MULTIMEDIA
+#=================================================
+
+
+# Need also the helper https://github.com/YunoHost-Apps/Experimental_helpers/blob/master/ynh_handle_getopts_args/ynh_handle_getopts_args
+
+# Install or update the main directory yunohost.multimedia
+#
+# usage: ynh_multimedia_build_main_dir
+ynh_multimedia_build_main_dir () {
+        local ynh_media_release="v1.1"
+        local checksum="9ec4321a92aa2c388af4ee0072735e3e"
+
+        # Download yunohost.multimedia scripts
+        wget -nv https://github.com/YunoHost-Apps/yunohost.multimedia/archive/${ynh_media_release}.tar.gz 
+
+        # Check the control sum
+        echo "${checksum} ${ynh_media_release}.tar.gz" | md5sum -c --status \
+                || ynh_die "Corrupt source"
+
+	# Check if the package acl is installed. Or install it.
+	ynh_package_is_installed 'acl' \
+		|| ynh_package_install acl
+
+        # Extract
+        mkdir yunohost.multimedia-master
+        tar -xf ${ynh_media_release}.tar.gz -C yunohost.multimedia-master --strip-components 1
+        ./yunohost.multimedia-master/script/ynh_media_build.sh
+}
+
+# Add a directory in yunohost.multimedia
+# This "directory" will be a symbolic link to a existing directory.
+#
+# usage: ynh_multimedia_addfolder "Source directory" "Destination directory"
+#
+# | arg: -s, --source_dir= - Source directory - The real directory which contains your medias.
+# | arg: -d, --dest_dir= - Destination directory - The name and the place of the symbolic link, relative to "/home/yunohost.multimedia"
+ynh_multimedia_addfolder () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [s]=source_dir= [d]=dest_dir= )
+	local source_dir
+	local dest_dir
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="$source_dir" --dest="$dest_dir"
+}
+
+# Move a directory in yunohost.multimedia, and replace by a symbolic link
+#
+# usage: ynh_multimedia_movefolder "Source directory" "Destination directory"
+#
+# | arg: -s, --source_dir= - Source directory - The real directory which contains your medias.
+# It will be moved to "Destination directory"
+# A symbolic link will replace it.
+# | arg: -d, --dest_dir= - Destination directory - The new name and place of the directory, relative to "/home/yunohost.multimedia"
+ynh_multimedia_movefolder () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [s]=source_dir= [d]=dest_dir= )
+	local source_dir
+	local dest_dir
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	./yunohost.multimedia-master/script/ynh_media_addfolder.sh --inv --source="$source_dir" --dest="$dest_dir"
+}
+
+# Allow an user to have an write authorisation in multimedia directories
+#
+# usage: ynh_multimedia_addaccess user_name
+#
+# | arg: -u, --user_name= - The name of the user which gain this access.
+ynh_multimedia_addaccess () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [u]=user_name=)
+	local user_name
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	groupadd -f multimedia
+	usermod -a -G multimedia $user_name
+}
+
diff --git a/scripts/install b/scripts/install
index 90853c0..73a7f1b 100755
--- a/scripts/install
+++ b/scripts/install
@@ -120,6 +120,7 @@ ynh_add_systemd_config
 # CREATE FILES AND DIRECTORIES
 #=================================================
 
+
 #Check if library folder exists. If not create it
 if [ ! -e "$calibre_dir" ]; then
 	ynh_print_info "Create calibre library folder $calibre_dir"
@@ -134,6 +135,9 @@ if [ ! -e "$calibre_dir"/metadata.db ]; then
 fi
 
 
+ynh_multimedia_build_main_dir
+ynh_multimedia_addfolder "eBook" "$calibre_dir"
+
 
 #=================================================
 # SETUP LOGROTATE