diff --git a/plugins/other/spotweb_catsize_average b/plugins/other/spotweb_catsize_average
new file mode 100755
index 00000000..db9beb36
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+++ b/plugins/other/spotweb_catsize_average
@@ -0,0 +1,94 @@
+#!/usr/bin/perl
+#
+# Munin plugin for the average filesize of the spots by categories in a MySQL database
+#
+# Copyright (C) 2011 - Rowdy Schwachofer (http://rowdy.nl)
+#
+# Spotweb       : http://github.com/spotweb/spotweb
+#
+# This program is free software: you can redistribute it and/or modify 
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Configuration example
+#
+# [spotweb*]
+# env.mysql /usr/bin/mysql                               # MySQL binary (optional)
+# env.mysqlopts -u <MYSQL_USERNAME> -p<MYSQL_PASSWORD>   # How to connect to the database (optional if no password is set)
+# env.database spotweb                                   # Spotweb database (optional)
+#
+# [spotweb_catsize_average]
+# env.period 1800                                        # The period over wich to check in seconds, default to 30 minutes (1800 seconds)
+# env.countporn 'no'                                     # Also count porn? Default is 'yes'
+#
+
+use strict;
+
+
+# Environment variables
+my $MYSQL      = $ENV{mysql}     || "/usr/bin/mysql";
+my $MYSQLOPTS  = $ENV{mysqlopts} || "";
+my $DATABASE   = $ENV{database}  || "spotweb";
+my $PERIOD     = $ENV{period}    || 1800;
+my $COUNTPORN 	= $ENV{countporn} || "yes";
+
+
+# Local variables
+my $FROMSTAMP  = time - $PERIOD;
+my $TITLE      = "Spotweb filesize by Category (".($PERIOD / 60)." minute average)";
+
+
+# Output for config
+if(defined $ARGV[0] && $ARGV[0] eq 'config') {
+    print <<EOC
+graph_title $TITLE
+graph_vlabel Size
+graph_category spotweb
+cat0.label Videos/images
+cat0.colour 008edf
+cat1.label Music
+cat1.colour e9a213
+cat2.label Games
+cat2.colour 00de00
+cat3.label Applications
+cat3.colour de2500
+EOC
+;
+    exit 0;
+}
+
+# Output of values. We just call a subroutine here to prevent much duplicate code
+if($COUNTPORN eq 'yes') { 
+    &print_value(0);
+}
+else { 
+# 11-04-2011 - New pr0n filters
+#   &print_value(0, " AND subcatd NOT LIKE '%23%' AND subcatd NOT LIKE '%24%' AND subcatd NOT LIKE '%25%' AND subcatd NOT LIKE '%26%'");
+    &print_value(0, " AND (subcatz IS NULL OR subcatz NOT LIKE '%4%') AND subcatd NOT LIKE '%23%' AND subcatd NOT LIKE '%24%' AND subcatd NOT LIKE '%25%' AND subcatd NOT LIKE '%26%' AND subcatd NOT LIKE '%72%' AND subcatd NOT LIKE '%73%' AND subcatd NOT LIKE '%74%' AND subcatd NOT LIKE '%75%' AND subcatd NOT LIKE '%76%' AND subcatd NOT LIKE '%77%' AND subcatd NOT LIKE '%78%' AND subcatd NOT LIKE '%79%' AND subcatd NOT LIKE '%80%' AND subcatd NOT LIKE '%81%' AND subcatd NOT LIKE '%82%' AND subcatd NOT LIKE '%83%' AND subcatd NOT LIKE '%84%' AND subcatd NOT LIKE '%85%' AND subcatd NOT LIKE '%86%' AND subcatd NOT LIKE '%87%' AND subcatd NOT LIKE '%88%' AND subcatd NOT LIKE '%88%' AND subcatd NOT LIKE '%89%'"); 
+}
+&print_value(1);
+&print_value(2);
+&print_value(3);
+
+
+# Subroutine to print the values
+sub print_value {
+    my $spots = `$MYSQL $MYSQLOPTS -e "SELECT sum(filesize) AS size_mb FROM $DATABASE.spots WHERE stamp > $FROMSTAMP AND category = $_[0]$_[1];"`;
+    $spots =~ /(\d+)/;
+    if($1 eq '') {
+        print "cat".$_[0].".value 0\n";
+    }
+    else {
+        print "cat".$_[0].".value ".$1."\n"; 
+    }
+}