From 9c7bc4edf22449eeb4749df0a316d96f3e28460b Mon Sep 17 00:00:00 2001
From: Peter Lieverdink <me@cafuego.net>
Date: Thu, 19 Apr 2012 13:54:11 +1000
Subject: [PATCH 1/2] Do not mess with absolute background image path.

---
 template.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/template.php b/template.php
index e9d578f..56220c4 100644
--- a/template.php
+++ b/template.php
@@ -78,8 +78,10 @@ function omega_d6mu_preprocess(&$vars, $hook) {
  */
 function omega_d6mu_preprocess_page(&$vars, $hook) {
   ($vars['is_front']) ? $path = theme_get_setting('omega_d6mu_header_img_front_path') : $path = theme_get_setting('omega_d6mu_header_img_path');
-  if (!file_exists($path)) {
-    // If the path to the header image is still the default as defined in omega_d6mu.info, then we need to prepend the them path.
+  if (!file_exists($path) && $path{0} != '/') {
+    // If the path to the header image is still the default as defined in
+    // omega_d6mu.info, or is an absolute path, then we need to prepend the
+    // theme path.
     // In any other case the path will be to a file in the files directory.
     $path = '/'. path_to_theme() .'/'. $path;
   }

From 2836c99216a7a9754b64fc5840bf24a7b82f1c15 Mon Sep 17 00:00:00 2001
From: Peter Lieverdink <me@cafuego.net>
Date: Thu, 19 Apr 2012 14:38:14 +1000
Subject: [PATCH 2/2] Add a bit of logic to cope with the ways background image
 filepaths can be stored :-/

---
 template.php | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/template.php b/template.php
index 56220c4..17f5603 100644
--- a/template.php
+++ b/template.php
@@ -78,15 +78,29 @@ function omega_d6mu_preprocess(&$vars, $hook) {
  */
 function omega_d6mu_preprocess_page(&$vars, $hook) {
   ($vars['is_front']) ? $path = theme_get_setting('omega_d6mu_header_img_front_path') : $path = theme_get_setting('omega_d6mu_header_img_path');
-  if (!file_exists($path) && $path{0} != '/') {
-    // If the path to the header image is still the default as defined in
-    // omega_d6mu.info, or is an absolute path, then we need to prepend the
-    // theme path.
-    // In any other case the path will be to a file in the files directory.
-    $path = '/'. path_to_theme() .'/'. $path;
+  if (!file_exists($path)) {
+    if($path{0} != '/') {
+      if (file_exists(getcwd() .'/'. $path)) {
+        // If this is simply a relative URL, for instance to a file in the
+        // files directory, make it absolute.
+        $path = '/'. $path;
+      }
+      else {
+        // If the path to the header image is still the default as defined in
+        // omega_d6mu.info, then we need to prepend the theme path.
+        // In any other case the path will be to a file in the files directory.
+        $path = '/'. path_to_theme() .'/'. $path;
+      }
+    }
+    else {
+      // Absolute URL relative to theme path... just in case?
+      if (file_exists(path_to_theme() . $path)) {
+        $path = '/'. path_to_theme() . $path;
+      }
+    }
   }
   $vars['header_img'] = 'style="background-image: url(' . $path . ');"';
-  
+
   $vars['local_footer'] = theme('omega_d6mu_local_footer');
   $vars['heading_text'] = theme('omega_d6mu_heading_text');
 }