diff --git a/10.MediaImport/2.Install_FTP_watch_folder/0_setup.py b/10.MediaImport/2.Install_FTP_watch_folder/0_setup.py
index b6e25e4b353d5ab4dd2139cc8662650b8e44e73c..668ba7c00295ecdf647fe075776cd96a73649bd5 100644
--- a/10.MediaImport/2.Install_FTP_watch_folder/0_setup.py
+++ b/10.MediaImport/2.Install_FTP_watch_folder/0_setup.py
@@ -22,6 +22,7 @@ def setup(interactive=True):
         'mkdir -p /usr/local/bin',
         'cp "%s/mediaimport_create_ftp_user.sh" /usr/local/bin' % (dir_path),
         'cp "%s/mediaimport_remove_ftp_user.sh" /usr/local/bin' % (dir_path),
+        'cp "%s/cron.d/* /etc/cron.d' % dir_path,
         'mkdir -p /home/ftp/storage',
         'mkdir -p /home/ftp/storage/incoming',
         'mkdir -p /home/ftp/storage/watchfolder',
diff --git a/10.MediaImport/2.Install_FTP_watch_folder/cron.d/mediaimport b/10.MediaImport/2.Install_FTP_watch_folder/cron.d/mediaimport
new file mode 100644
index 0000000000000000000000000000000000000000..ddedd260780f3d357d14866dc702ea4308fdda77
--- /dev/null
+++ b/10.MediaImport/2.Install_FTP_watch_folder/cron.d/mediaimport
@@ -0,0 +1,7 @@
+# purge mediaimport files that are older than 60 days
+0 23 * * * root /usr/bin/find /home/ftp/storage/incoming/ -type f -mtime +60 -delete
+
+# purge empty folders
+0 23 * * * root /usr/bin/find /home/ftp/storage -type d -empty -name thumbnails -delete
+0 23 * * * root /usr/bin/find /home/ftp/storage -type d -empty -name "*20*-*" -delete
+
diff --git a/9.MediaVault/1.Install_MediaVault/rsync_tmbackup.sh b/9.MediaVault/1.Install_MediaVault/rsync_tmbackup.sh
index c9ea5a74db4377e9a8ed49badc707687c05a95bf..8a3cd6b60124860f83e41d1794267ec116e4e230 100755
--- a/9.MediaVault/1.Install_MediaVault/rsync_tmbackup.sh
+++ b/9.MediaVault/1.Install_MediaVault/rsync_tmbackup.sh
@@ -54,13 +54,21 @@ fn_parse_date() {
 	case "$OSTYPE" in
 		linux*) date -d "${1:0:10} ${1:11:2}:${1:13:2}:${1:15:2}" +%s ;;
 		cygwin*) date -d "${1:0:10} ${1:11:2}:${1:13:2}:${1:15:2}" +%s ;;
+		darwin8*) yy=`expr ${1:0:4}`
+			mm=`expr ${1:5:2} - 1`
+			dd=`expr ${1:8:2}`
+			hh=`expr ${1:11:2}`
+			mi=`expr ${1:13:2}`
+			ss=`expr ${1:15:2}`
+			# Because under MacOS X Tiger 'date -j' doesn't work, we do this:
+			perl -e 'use Time::Local; print timelocal('$ss','$mi','$hh','$dd','$mm','$yy'),"\n";' ;;
 		darwin*) date -j -f "%Y-%m-%d-%H%M%S" "$1" "+%s" ;;
 		FreeBSD*) date -j -f "%Y-%m-%d-%H%M%S" "$1" "+%s" ;;
 	esac
 }
 
 fn_find_backups() {
-	fn_run_cmd "find "$DEST_FOLDER" -maxdepth 1 -type d -name \"????-??-??-??????\" -prune | sort -r"
+	fn_run_cmd "find "$DEST_FOLDER/" -maxdepth 1 -type d -name \"????-??-??-??????\" -prune | sort -r"
 }
 
 fn_expire_backup() {
@@ -76,14 +84,15 @@ fn_expire_backup() {
 }
 
 fn_parse_ssh() {
-	if [[ "$DEST_FOLDER" =~ ^[A-Za-z0-9\._%\+\-]+@[A-Za-z0-9.\-]+\:.+$ ]]
+	# To keep compatibility with bash version < 3, we use grep
+	if echo "$DEST_FOLDER"|grep -Eq '^[A-Za-z0-9\._%\+\-]+@[A-Za-z0-9.\-]+\:.+$'
 	then
 		SSH_USER=$(echo "$DEST_FOLDER" | sed -E  's/^([A-Za-z0-9\._%\+\-]+)@([A-Za-z0-9.\-]+)\:(.+)$/\1/')
 		SSH_HOST=$(echo "$DEST_FOLDER" | sed -E  's/^([A-Za-z0-9\._%\+\-]+)@([A-Za-z0-9.\-]+)\:(.+)$/\2/')
 		SSH_DEST_FOLDER=$(echo "$DEST_FOLDER" | sed -E  's/^([A-Za-z0-9\._%\+\-]+)@([A-Za-z0-9.\-]+)\:(.+)$/\3/')
 		SSH_CMD="ssh -p $SSH_PORT ${SSH_USER}@${SSH_HOST}"
 		SSH_DEST_FOLDER_PREFIX="${SSH_USER}@${SSH_HOST}:"
-	elif [[ "$SRC_FOLDER" =~ ^[A-Za-z0-9\._%\+\-]+@[A-Za-z0-9.\-]+\:.+$ ]]
+	elif echo "$SRC_FOLDER"|grep -Eq '^[A-Za-z0-9\._%\+\-]+@[A-Za-z0-9.\-]+\:.+$'
 	then
 		SSH_USER=$(echo "$SRC_FOLDER" | sed -E  's/^([A-Za-z0-9\._%\+\-]+)@([A-Za-z0-9.\-]+)\:(.+)$/\1/')
 		SSH_HOST=$(echo "$SRC_FOLDER" | sed -E  's/^([A-Za-z0-9\._%\+\-]+)@([A-Za-z0-9.\-]+)\:(.+)$/\2/')
@@ -94,7 +103,7 @@ fn_parse_ssh() {
 }
 
 fn_run_cmd() {
-	if [ -n "$SSH_DEST_FOLDER_PREFIX" ] 
+	if [ -n "$SSH_DEST_FOLDER_PREFIX" ]
 	then
 		eval "$SSH_CMD '$1'"
 	else
@@ -182,7 +191,7 @@ while :; do
 			EXCLUSION_FILE="$3"
 			break
 			;;
-		-?*)
+		-*)
 			fn_log_error "Unknown option: \"$1\""
 			fn_log_info ""
 			fn_display_usage
@@ -296,9 +305,9 @@ if [ -n "$(fn_find "$INPROGRESS_FILE")" ]; then
 			fn_log_error "Previous backup task is still active - aborting (command: $RUNNINGCMD)."
 			exit 1
 		fi
-	else 
+	else
 		RUNNINGPID="$(fn_run_cmd "cat $INPROGRESS_FILE")"
-		if [ "$RUNNINGPID" = "$(pgrep "$APPNAME")" ]; then
+		if [ "$RUNNINGPID" = "$(pgrep -o -f "$APPNAME")" ]; then
 			fn_log_error "Previous backup task is still active - aborting."
 			exit 1
 		fi