diff --git a/inc/functions.php b/inc/functions.php
index 9fb4e79..815c049 100644
--- a/inc/functions.php
+++ b/inc/functions.php
@@ -188,7 +188,7 @@ function wpsp_post_image( $settings ) {
 			}
 
 				if ( ! empty( $image_atts ) ) : ?>
-					<img src="<?php echo WPSP_Resize( $image_url[0], $image_atts[ 'width' ], $image_atts[ 'height' ], $image_atts[ 'crop' ], true, $image_atts[ 'upscale' ] ); ?>" alt="<?php esc_attr( the_title() ); ?>" itemprop="image" class="<?php echo esc_attr( $settings[ 'image_alignment' ] ); ?>" />
+					<img src="<?php echo apply_filters( 'wpsp_default_image_url', WPSP_Resize( $image_url[0], $image_atts[ 'width' ], $image_atts[ 'height' ], $image_atts[ 'crop' ], true, $image_atts[ 'upscale' ] ), $image_url[0], $image_atts ) ; ?>" alt="<?php esc_attr( the_title() ); ?>" itemprop="image" class="<?php echo esc_attr( $settings[ 'image_alignment' ] ); ?>" />
 				<?php else :
 					the_post_thumbnail( apply_filters( 'wpsp_default_image_size', 'full' ), array( 'itemprop' => 'image' ) );
 				endif;
diff --git a/inc/image-resizer.php b/inc/image-resizer.php
index e62c16c..048f503 100644
--- a/inc/image-resizer.php
+++ b/inc/image-resizer.php
@@ -20,7 +20,7 @@
  *
  * @return str|array
  */
- 
+
 // No direct access, please
 if ( ! defined( 'ABSPATH' ) ) exit;
 
@@ -81,23 +81,23 @@ public function process( $url, $width = null, $height = null, $crop = null, $sin
                 $upload_info = wp_upload_dir();
                 $upload_dir = $upload_info['basedir'];
                 $upload_url = $upload_info['baseurl'];
-                
+
                 $http_prefix = "http://";
                 $https_prefix = "https://";
                 $relative_prefix = "//"; // The protocol-relative URL
-                
-                /* if the $url scheme differs from $upload_url scheme, make them match 
+
+                /* if the $url scheme differs from $upload_url scheme, make them match
                    if the schemes differe, images don't show up. */
                 if(!strncmp($url,$https_prefix,strlen($https_prefix))){ //if url begins with https:// make $upload_url begin with https:// as well
                     $upload_url = str_replace($http_prefix,$https_prefix,$upload_url);
                 }
                 elseif(!strncmp($url,$http_prefix,strlen($http_prefix))){ //if url begins with http:// make $upload_url begin with http:// as well
-                    $upload_url = str_replace($https_prefix,$http_prefix,$upload_url);      
+                    $upload_url = str_replace($https_prefix,$http_prefix,$upload_url);
                 }
                 elseif(!strncmp($url,$relative_prefix,strlen($relative_prefix))){ //if url begins with // make $upload_url begin with // as well
                     $upload_url = str_replace(array( 0 => "$http_prefix", 1 => "$https_prefix"),$relative_prefix,$upload_url);
                 }
-                
+
 
                 // Check if $img_url is local.
                 if ( false === strpos( $url, $upload_url ) )
@@ -142,11 +142,11 @@ public function process( $url, $width = null, $height = null, $crop = null, $sin
                     }
                     // Else, we resize the image and return the new resized image url.
                     else {
-						
+
                         $editor = wp_get_image_editor( $img_path );
 
                         if ( is_wp_error( $editor ) || is_wp_error( $editor->resize( $width, $height, $crop ) ) ) {
-                            throw new WPSP_Exception('Unable to get WP_Image_Editor: ' . 
+                            throw new WPSP_Exception('Unable to get WP_Image_Editor: ' .
                                                    $editor->get_error_message() . ' (is GD or ImageMagick installed?)');
                         }
 
@@ -177,7 +177,7 @@ public function process( $url, $width = null, $height = null, $crop = null, $sin
                         2 => $dst_h
                     );
                 }
-				
+
                 return $image;
             }
             catch (WPSP_Exception $ex) {
@@ -188,12 +188,12 @@ public function process( $url, $width = null, $height = null, $crop = null, $sin
                     throw $ex;
                 }
                 else {
-                    // Return false, so that this patch is backwards-compatible.
-                    return false;
+                    // return input url in case of failure
+                    return $url;
                 }
             }
         }
-		
+
 		/**
          * Callback to overwrite WP computing of thumbnail measures
          */
@@ -241,4 +241,4 @@ function WPSP_Resize( $url, $width = null, $height = null, $crop = null, $single
         $WPSP_Resize = WPSP_Resize::getInstance();
         return $WPSP_Resize->process( $url, $width, $height, $crop, $single, $upscale );
     }
-endif;
\ No newline at end of file
+endif;