diff --git a/README.markdown b/README.markdown
index 1f868cb..f33b6d3 100644
--- a/README.markdown
+++ b/README.markdown
@@ -63,7 +63,7 @@ This will set up one or more installations of Wordpress 3.8 on Debian and Redhat
   WordPress Plugin Directory. Full path, no trailing slash. Default: WordPress Default
 
 * `wp_additional_config`<br />
-  Specifies a template to include near the end of the wp-config.php file to add additional options. Default: ''
+  Specifies a template to include near the end of the wp-config.php file to add additional options. As PHP does not allow Defines to be redefined this can not be used to redefine values already defined. Default: ''
 
 * `wp_config_content`<br />
   Specifies the entire content for wp-config.php. This causes many of the other parameters to be ignored and allows an entirely custom config to be passed. It is recommended to use `wp_additional_config` instead of this parameter when possible.
@@ -80,8 +80,14 @@ This will set up one or more installations of Wordpress 3.8 on Debian and Redhat
 * `wp_multisite`<br />
   Specifies whether to enable the multisite feature. Requires `wp_site_domain` to also be passed. Default: `false`
 
+* `wp_subdomain_install`<br />
+  Specifies the `SUBDOMAIN_INSTALL` value that will be used when configuring multisite. This states whether blogs created will be blogname.domain.com. Default: `false`
+
 * `wp_site_domain`<br />
-  Specifies the `DOMAIN_CURRENT_SITE` value that will be used when configuring multisite. Typically this is the address of the main wordpress instance.  Default: ''
+  Specifies the `DOMAIN_CURRENT_SITE` value that will be used when configuring multisite. Typically this is the address of the main wordpress instance. Default: ''
+
+* `wp_path_current_site`<br />
+  Specifies the `PATH_CURRENT_SITE` value that will be used when configuring multisite. If all sites are to be under a url location that is not the toplevel / set this value /path/. wp-admin will then be at /path/wp-admin and additional blogs will be under /path/blogname. Default: '/'
 
 * `wp_debug`<br />
   Specifies the `WP_DEBUG` value that will control debugging. This must be true if you use the next two debug extensions. Default: 'false'
diff --git a/manifests/app.pp b/manifests/app.pp
index b9f42cc..708decb 100644
--- a/manifests/app.pp
+++ b/manifests/app.pp
@@ -16,7 +16,9 @@
   $wp_proxy_host,
   $wp_proxy_port,
   $wp_multisite,
+  $wp_subdomain_install,
   $wp_site_domain,
+  $wp_path_current_site,
   $wp_debug,
   $wp_debug_log,
   $wp_debug_display,
@@ -38,7 +40,9 @@
     wp_proxy_host        => $wp_proxy_host,
     wp_proxy_port        => $wp_proxy_port,
     wp_multisite         => $wp_multisite,
+    wp_subdomain_install => $wp_subdomain_install,
     wp_site_domain       => $wp_site_domain,
+    wp_path_current_site => $wp_path_current_site,
     wp_debug             => $wp_debug,
     wp_debug_log         => $wp_debug_log,
     wp_debug_display     => $wp_debug_display,
diff --git a/manifests/init.pp b/manifests/init.pp
index 4ba78c1..f97c6c8 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -60,14 +60,20 @@
 #   Specifies a Hostname or IP of a proxy server for Wordpress to use to install updates, plugins, etc. Default: ''
 #
 # [*wp_proxy_port*]
-#   Specifies the port to use with the proxy host.  Default: ''
+#   Specifies the port to use with the proxy host. Default: ''
 #
 # [*wp_multisite*]
 #   Specifies whether to enable the multisite feature. Requires `wp_site_domain` to also be passed. Default: `false`
 #
+# [*wp_subdomain_install*]
+#   Specifies the `SUBDOMAIN_INSTALL` value that will be used when configuring multisite. This states whether blogs created will be blogname.domain
+#
 # [*wp_site_domain*]
 #   Specifies the `DOMAIN_CURRENT_SITE` value that will be used when configuring multisite. Typically this is the address of the main wordpress instance.  Default: ''
 #
+# [*wp_path_current_site*]
+#   Specifies the `PATH_CURRENT_SITE` value that will be used when configuring multisite. If all sites are to be under a url location that is not t
+#
 # [*wp_debug*]
 #   Specifies the `WP_DEBUG` value that will control debugging. This must be true if you use the next two debug extensions. Default: 'false'
 #
@@ -101,7 +107,9 @@
   $wp_proxy_host        = '',
   $wp_proxy_port        = '',
   $wp_multisite         = false,
+  $wp_subdomain_install = false,
   $wp_site_domain       = '',
+  $wp_path_current_site = '/',
   $wp_debug             = false,
   $wp_debug_log         = false,
   $wp_debug_display     = false,
@@ -126,7 +134,9 @@
     wp_proxy_host        => $wp_proxy_host,
     wp_proxy_port        => $wp_proxy_port,
     wp_multisite         => $wp_multisite,
+    wp_subdomain_install => $wp_subdomain_install,
     wp_site_domain       => $wp_site_domain,
+    wp_path_current_site => $wp_path_current_site,
     wp_debug             => $wp_debug,
     wp_debug_log         => $wp_debug_log,
     wp_debug_display     => $wp_debug_display,
diff --git a/manifests/instance.pp b/manifests/instance.pp
index bd4c0a8..6c5c658 100644
--- a/manifests/instance.pp
+++ b/manifests/instance.pp
@@ -63,9 +63,15 @@
 # [*wp_multisite*]
 #   Specifies whether to enable the multisite feature. Requires `wp_site_domain` to also be passed. Default: `false`
 #
+# [*wp_subdomain_install*]
+#   Specifies the `SUBDOMAIN_INSTALL` value that will be used when configuring multisite. This states whether blogs created will be blogname.domain
+#
 # [*wp_site_domain*]
 #   Specifies the `DOMAIN_CURRENT_SITE` value that will be used when configuring multisite. Typically this is the address of the main wordpress instance.  Default: ''
 #
+# [*wp_path_current_site*]
+#   Specifies the `PATH_CURRENT_SITE` value that will be used when configuring multisite. If all sites are to be under a url location that is not t
+#
 # === Requires
 #
 # === Examples
@@ -90,7 +96,9 @@
   $wp_proxy_host        = '',
   $wp_proxy_port        = '',
   $wp_multisite         = false,
+  $wp_subdomain_install = false,
   $wp_site_domain       = '',
+  $wp_path_current_site = '/',
   $wp_debug             = false,
   $wp_debug_log         = false,
   $wp_debug_display     = false,
@@ -113,7 +121,9 @@
     wp_proxy_host        => $wp_proxy_host,
     wp_proxy_port        => $wp_proxy_port,
     wp_multisite         => $wp_multisite,
+    wp_subdomain_install => $wp_subdomain_install,
     wp_site_domain       => $wp_site_domain,
+    wp_path_current_site => $wp_path_current_site,
     wp_debug             => $wp_debug,
     wp_debug_log         => $wp_debug_log,
     wp_debug_display     => $wp_debug_display,
diff --git a/manifests/instance/app.pp b/manifests/instance/app.pp
index 0f4379a..6601e06 100644
--- a/manifests/instance/app.pp
+++ b/manifests/instance/app.pp
@@ -16,13 +16,15 @@
   $wp_proxy_host,
   $wp_proxy_port,
   $wp_multisite,
+  $wp_subdomain_install,
   $wp_site_domain,
+  $wp_path_current_site,
   $wp_debug,
   $wp_debug_log,
   $wp_debug_display,
 ) {
-  validate_string($install_dir,$install_url,$version,$db_name,$db_host,$db_user,$db_password,$wp_owner,$wp_group, $wp_lang, $wp_plugin_dir,$wp_additional_config,$wp_table_prefix,$wp_proxy_host,$wp_proxy_port,$wp_site_domain)
-  validate_bool($wp_multisite, $wp_debug, $wp_debug_log, $wp_debug_display)
+  validate_string($install_dir,$install_url,$version,$db_name,$db_host,$db_user,$db_password,$wp_owner,$wp_group, $wp_lang, $wp_plugin_dir,$wp_additional_config,$wp_table_prefix,$wp_proxy_host,$wp_proxy_port,$wp_site_domain,$wp_path_current_site)
+  validate_bool($wp_multisite, $wp_subdomain_install, $wp_debug, $wp_debug_log, $wp_debug_display)
   validate_absolute_path($install_dir)
 
   if $wp_config_content and ($wp_lang or $wp_debug or $wp_debug_log or $wp_debug_display or $wp_proxy_host or $wp_proxy_port or $wp_multisite or $wp_site_domain) {
@@ -45,7 +47,7 @@
   File {
     owner  => $wp_owner,
     group  => $wp_group,
-    mode   => '0644',
+    mode   => '0664',
   }
   Exec {
     path      => ['/bin','/sbin','/usr/bin','/usr/sbin'],
@@ -130,7 +132,9 @@
     # - $wp_proxy_host
     # - $wp_proxy_port
     # - $wp_multisite
+    # - $wp_subdomain_install
     # - $wp_site_domain
+    # - $wp_path_current_site
     # - $wp_additional_config
     # - $wp_debug
     # - $wp_debug_log
diff --git a/templates/wp-config.php.erb b/templates/wp-config.php.erb
index 25d6a53..95b7411 100644
--- a/templates/wp-config.php.erb
+++ b/templates/wp-config.php.erb
@@ -89,9 +89,9 @@ define('WP_PROXY_PORT', '<%= @wp_proxy_port %>');
 /* Multisite */
 define('WP_ALLOW_MULTISITE', true);
 define('MULTISITE', true);
-define('SUBDOMAIN_INSTALL', true);
+define('SUBDOMAIN_INSTALL', <%= @wp_subdomain_install %>);
 define('DOMAIN_CURRENT_SITE', '<%= @wp_site_domain %>');
-define('PATH_CURRENT_SITE', '/');
+define('PATH_CURRENT_SITE', '<%= @wp_path_current_site %>');
 define('SITE_ID_CURRENT_SITE', 1);
 define('BLOG_ID_CURRENT_SITE', 1);
 <% end %>