diff --git a/Makefile b/Makefile
index f7950a125f2fddde99fd8510dfd38e2a2bd80fec..bf3e333d3ed51f99600463f16a5bd4cb356d5d22 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 BASE=ordernumber
 PLUGINTYPE=vmshopper
-VERSION=1.4
+VERSION=1.5
 
 PLUGINFILES=$(BASE).php $(BASE).xml index.html
 # TRANSDIR=../../../administrator/language/
diff --git a/de-DE.plg_vmshopper_ordernumber.sys.ini b/de-DE.plg_vmshopper_ordernumber.sys.ini
index e457b8bf38ffeae04484531c7c0d103e45097f8a..91a4e55bc8c6e2937c4ec12587fc20935849f956 100644
--- a/de-DE.plg_vmshopper_ordernumber.sys.ini
+++ b/de-DE.plg_vmshopper_ordernumber.sys.ini
@@ -51,6 +51,8 @@ PLG_ORDERNUMBER_ORDERNR_FMT="Format der Auftragsnummern"
 PLG_ORDERNUMBER_ORDERNR_FMT_DESC="Hier können Sie Ihr eigenes Format für Auftragsnummern angeben."
 PLG_ORDERNUMBER_ORDERNR_COUNTER = "Zähler"
 PLG_ORDERNUMBER_ORDERNR_COUNTER_DESC = "Wählen Sie aus, ob der Zähler global oder pro Formatwert laufen soll. Z.B. beginnt bei einem Format '[year]-#' und einem Zähler pro Formatwert der Zähler jedes Jahr bei 1."
+PLG_ORDERNUMBER_ORDERNR_PADDING = "Mindestziffern für den Zähler"
+PLG_ORDERNUMBER_ORDERNR_PADDING_DESC = "Wählen Sie hier die Mindestzahl von Ziffern, die der Zähler anzeigt. Ist der Wert des Zählers kleiner, werden entsprechend viele führende Nullen vorangestellt."
 
 PLG_ORDERNUMBER_PASSWD = "<b>Auftragspasswort</b>"
 PLG_ORDERNUMBER_PASSWD_CUSTOMIZE = "Auftragspasswort anpassen"
@@ -65,3 +67,5 @@ PLG_ORDERNUMBER_INVOICENR_FMT = "Format der Rechnungsnummern"
 PLG_ORDERNUMBER_INVOICENR_FMT_DESC = "Hier können Sie Ihr eigenes Format für Rechnungsnummern angeben."
 PLG_ORDERNUMBER_INVOICENR_COUNTER = "Zähler"
 PLG_ORDERNUMBER_INVOICENR_COUNTER_DESC = "Wählen Sie aus, ob der Zähler global oder pro Formatwert laufen soll. Z.B. beginnt bei einem Format '[year]-#' und einem Zähler pro Formatwert der Zähler jedes Jahr bei 1."
+PLG_ORDERNUMBER_INVOICENR_PADDING = "Mindestziffern für den Zähler"
+PLG_ORDERNUMBER_INVOICENR_PADDING_DESC = "Wählen Sie hier die Mindestzahl von Ziffern, die der Zähler anzeigt. Ist der Wert des Zählers kleiner, werden entsprechend viele führende Nullen vorangestellt."
diff --git a/en-GB.plg_vmshopper_ordernumber.sys.ini b/en-GB.plg_vmshopper_ordernumber.sys.ini
index 0cb65d747c15ff3416e622490197850e2ffa8f2f..3c291026f937649dd646ce7ac715e9ce9abcdbc4 100644
--- a/en-GB.plg_vmshopper_ordernumber.sys.ini
+++ b/en-GB.plg_vmshopper_ordernumber.sys.ini
@@ -51,6 +51,8 @@ PLG_ORDERNUMBER_ORDERNR_FMT="Format of the order numbers"
 PLG_ORDERNUMBER_ORDERNR_FMT_DESC="Here you can customize the order number"
 PLG_ORDERNUMBER_ORDERNR_COUNTER = "Counter"
 PLG_ORDERNUMBER_ORDERNR_COUNTER_DESC = "Choose whether you want one global counter or per-format value counters. E.g. with a format of '[year]-#' and the latter option checked, the order count will be within the year only."
+PLG_ORDERNUMBER_ORDERNR_PADDING = "Minimum digits for the counter"
+PLG_ORDERNUMBER_ORDERNR_PADDING_DESC = "Select the minimum number of digits that the counter shall display. The value of the counter will be left-padded with 0 to have this minimum number of digits. If the counter is already larger than this number, no padding will occur"
 
 PLG_ORDERNUMBER_PASSWD = "<b>Order password</b>"
 PLG_ORDERNUMBER_PASSWD_CUSTOMIZE = "Customize order password"
@@ -65,3 +67,5 @@ PLG_ORDERNUMBER_INVOICENR_FMT = "Format of the invoice numbers"
 PLG_ORDERNUMBER_INVOICENR_FMT_DESC = "Here you can customize the invoice number"
 PLG_ORDERNUMBER_INVOICENR_COUNTER = "Counter"
 PLG_ORDERNUMBER_INVOICENR_COUNTER_DESC = "Choose whether you want one global counter or per-format value counters. E.g. with a format of '[year]-#' and the latter option checked, the invoice count will be within the year only."
+PLG_ORDERNUMBER_INVOICENR_PADDING = "Minimum digits for the counter"
+PLG_ORDERNUMBER_INVOICENR_PADDING_DESC = "Select the minimum number of digits that the counter shall display. The value of the counter will be left-padded with 0 to have this minimum number of digits. If the counter is already larger than this number, no padding will occur"
diff --git a/images/plg_vmshopper_ordernumber_Order.png b/images/plg_vmshopper_ordernumber_Order.png
new file mode 100644
index 0000000000000000000000000000000000000000..0feabd8d2b8b130b7249ecd164c489d647afc180
Binary files /dev/null and b/images/plg_vmshopper_ordernumber_Order.png differ
diff --git a/images/plg_vmshopper_ordernumber_Parameters.png b/images/plg_vmshopper_ordernumber_Parameters.png
new file mode 100644
index 0000000000000000000000000000000000000000..5b7eef3dcb66dc3b8fb663f5deb1a6e0e7bb0661
Binary files /dev/null and b/images/plg_vmshopper_ordernumber_Parameters.png differ
diff --git a/images/plg_vmshopper_ordernumber_Plugindescription.png b/images/plg_vmshopper_ordernumber_Plugindescription.png
new file mode 100644
index 0000000000000000000000000000000000000000..da94a8b642a58c5f975fe390c8bea62130e1d132
Binary files /dev/null and b/images/plg_vmshopper_ordernumber_Plugindescription.png differ
diff --git a/ordernumber.php b/ordernumber.php
index 5afad90326cc908e8a87690d616dffc77a40512e..7a36fb6f27065edec623fcdeccd02f08bf736135 100644
--- a/ordernumber.php
+++ b/ordernumber.php
@@ -128,7 +128,7 @@ class plgVmShopperOrdernumber extends vmShopperPlugin {
     }
 
     /* Type 0 means order number, type 1 means invoice number */
-    function format_number ($fmt, $orderDetails, $nrtype = 0, $global = 1) {
+    function format_number ($fmt, $orderDetails, $nrtype = 0, $global = 1, $padding = 1) {
         // First, replace all variables:
         $nr = $this->replace_fields ($fmt, $orderDetails);
 
@@ -152,7 +152,8 @@ class plgVmShopperOrdernumber extends vmShopperPlugin {
         $db->query();
 
         // return the format with the counter inserted
-        return str_replace ("#", $count, $nr);
+        
+        return str_replace ("#", sprintf('%0' . $padding . 's', $count), $nr);
     }
 
 
@@ -162,7 +163,8 @@ class plgVmShopperOrdernumber extends vmShopperPlugin {
           $nrtype=0; /*order-nr*/
           $fmt = $this->params->get ('order_number_format', "#");
           $global = $this->params->get ('order_number_global', 1);
-          $ordernr = $this->format_number ($fmt, $orderDetails, $nrtype, $global);
+          $padding = $this->params->get ('order_number_padding', 1);
+          $ordernr = $this->format_number ($fmt, $orderDetails, $nrtype, $global, $padding);
           $orderDetails->order_number = $ordernr;
         }
         // Is order password customization enabled?
@@ -185,7 +187,8 @@ class plgVmShopperOrdernumber extends vmShopperPlugin {
                 $nrtype=1; /*invoice-nr*/
                 $fmt = $this->params->get ('invoice_number_format', "#");
                 $global = $this->params->get ('invoice_number_global', 1);
-                $invoicenr = $this->format_number ($fmt, (object)$orderDetails, $nrtype, $global);
+                $padding = $this->params->get ('invoice_number_padding', 1);
+                $invoicenr = $this->format_number ($fmt, (object)$orderDetails, $nrtype, $global, $padding);
                 $data['invoice_number'] = $invoicenr;
             }
         }
diff --git a/ordernumber.xml b/ordernumber.xml
index 0e1e967d4227dd5d9e74b4acaa1b74919e7664a2..519ec37ccde5feb3cce59ae2269ded000b18e9cf 100644
--- a/ordernumber.xml
+++ b/ordernumber.xml
@@ -7,8 +7,8 @@
     <authorUrl>http://www.kainhofer.com/</authorUrl>
     <copyright>Copyright (C) 2012 Reinhold Kainhofer. All rights reserved.</copyright>
     <license>http://www.gnu.org/licenses/gpl-3.0.html GNU/GPLv3</license>
-    <version>1.4.0</version>
-    <releaseDate>2012-11-13</releaseDate>
+    <version>1.5.0</version>
+    <releaseDate>2012-12-16</releaseDate>
     <releaseType>Minor update</releaseType>
     <downloadUrl>http://www.kainhofer.com/virtuemart-2-extensions/</downloadUrl>
 
@@ -30,11 +30,13 @@
                     <option value="0">PLG_ORDERNUMBER_NO</option>
                 </field>
                 <field name="order_number_format" type="text" default="Order-[year][month]-#" label="PLG_ORDERNUMBER_ORDERNR_FMT" description="PLG_ORDERNUMBER_ORDERNR_FMT_DESC"/>
+                <field name="order_number_padding" type="integer" default="1" label="PLG_ORDERNUMBER_ORDERNR_PADDING" description="PLG_ORDERNUMBER_ORDERNR_PADDING_DESC"  first="1" last="10" step="1" />
                 <field name="order_number_global" type="radio" default="0" label="PLG_ORDERNUMBER_ORDERNR_COUNTER" description="PLG_ORDERNUMBER_ORDERNR_COUNTER_DESC">
                     <option value="1">PLG_ORDERNUMBER_COUNTER_GLOBAL</option>
                     <option value="0">PLG_ORDERNUMBER_COUNTER_PERFORMAT</option>
                 </field>
 
+
                 <field name="password_options" type="spacer" label="PLG_ORDERNUMBER_PASSWD" />
                 <field name="customize_order_password" type="radio" default="0" label="PLG_ORDERNUMBER_PASSWD_CUSTOMIZE" description="PLG_ORDERNUMBER_PASSWD_CUSTOMIZE_DESC">
                     <option value="1">Yes</option>
@@ -47,7 +49,8 @@
                     <option value="1">PLG_ORDERNUMBER_YES</option>
                     <option value="0">PLG_ORDERNUMBER_NO</option>
                 </field>
-		<field name="invoice_number_format" type="text" default="[year]-#" label="PLG_ORDERNUMBER_INVOICENR_FMT" description="PLG_ORDERNUMBER_INVOICENR_FMT_DESC"/>
+                <field name="invoice_number_format" type="text" default="[year]-#" label="PLG_ORDERNUMBER_INVOICENR_FMT" description="PLG_ORDERNUMBER_INVOICENR_FMT_DESC"/>
+                <field name="invoice_number_padding" type="integer" default="1" label="PLG_ORDERNUMBER_INVOICENR_PADDING" description="PLG_ORDERNUMBER_INVOICENR_PADDING_DESC"  first="1" last="10" step="1" />
                 <field name="invoice_number_global" type="radio" default="0" label="PLG_ORDERNUMBER_INVOICENR_COUNTER" description="PLG_ORDERNUMBER_INVOICENR_COUNTER_DESC">
                     <option value="1">PLG_ORDERNUMBER_COUNTER_GLOBAL</option>
                     <option value="0">PLG_ORDERNUMBER_COUNTER_PERFORMAT</option>
diff --git a/releases/plg_vmshopper_ordernumber_v1.5.zip b/releases/plg_vmshopper_ordernumber_v1.5.zip
new file mode 100644
index 0000000000000000000000000000000000000000..d8d5abfa7e77ab750081a31b66c53399b242f0d5
Binary files /dev/null and b/releases/plg_vmshopper_ordernumber_v1.5.zip differ