diff --git a/README.md b/README.md
index e1f9a8a..a402725 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,8 @@ responsive_image:
       quality: 90
 
   # [Optional, Default: assets/resized/%{filename}-%{width}x%{height}.%{extension}]
-  # The template used when generating filenames for resized images.
+  # The template used when generating filenames for resized images. Must be a
+  # relative path.
   #
   # Parameters available are:
   #   %{basename}    Basename of the file (assets/some-file.jpg => some-file.jpg)
diff --git a/lib/jekyll/responsive_image.rb b/lib/jekyll/responsive_image.rb
index 5571de1..6d0dcf5 100644
--- a/lib/jekyll/responsive_image.rb
+++ b/lib/jekyll/responsive_image.rb
@@ -9,6 +9,7 @@ require 'jekyll/responsive_image/defaults'
 require 'jekyll/responsive_image/utils'
 require 'jekyll/responsive_image/image_processor'
 require 'jekyll/responsive_image/resize_handler'
+require 'jekyll/responsive_image/common'
 require 'jekyll/responsive_image/tag'
 require 'jekyll/responsive_image/block'
 
diff --git a/lib/jekyll/responsive_image/block.rb b/lib/jekyll/responsive_image/block.rb
index f629bc2..8df1900 100644
--- a/lib/jekyll/responsive_image/block.rb
+++ b/lib/jekyll/responsive_image/block.rb
@@ -1,9 +1,10 @@
 module Jekyll
   class ResponsiveImage
     class Block < Liquid::Block
+      include Jekyll::ResponsiveImage::Common
+
       def render(context)
-        config = ResponsiveImage.defaults.dup
-        config.merge!(context.registers[:site].config['responsive_image'])
+        config = make_config(context.registers[:site])
 
         attributes = YAML.load(super)
         image_template = attributes['template'] || config['template']
diff --git a/lib/jekyll/responsive_image/common.rb b/lib/jekyll/responsive_image/common.rb
new file mode 100644
index 0000000..d018fa9
--- /dev/null
+++ b/lib/jekyll/responsive_image/common.rb
@@ -0,0 +1,17 @@
+module Jekyll
+  class ResponsiveImage
+    module Common
+      include Jekyll::ResponsiveImage::Utils
+
+      def make_config(site)
+        config = ResponsiveImage.defaults.dup.merge(site.config['responsive_image']).merge(:site_dest => site.dest)
+
+        # Not very nice, but this is needed to create a clean path to add to keep_files
+        output_dir = format_output_path(config['output_path_format'], '*', '*', '*')
+        site.config['keep_files'] << output_dir unless site.config['keep_files'].include?(output_dir)
+
+        config
+      end
+    end
+  end
+end
diff --git a/lib/jekyll/responsive_image/resize_handler.rb b/lib/jekyll/responsive_image/resize_handler.rb
index 263ab3a..68f5de3 100644
--- a/lib/jekyll/responsive_image/resize_handler.rb
+++ b/lib/jekyll/responsive_image/resize_handler.rb
@@ -28,17 +28,17 @@ module Jekyll
             f.quality = size['quality'] || config['default_quality']
           end
 
+          # Ensure the generated file is copied to the _site directory
+          site_dest_filepath = File.expand_path(filepath, config[:site_dest])
+          ensure_output_dir_exists!(File.dirname(site_dest_filepath))
+          FileUtils.copy(filepath, site_dest_filepath)
+
           i.destroy!
         end
 
         resized
       end
 
-      def format_output_path(format, path, width, height)
-        params = symbolize_keys(image_hash(path, width, height))
-        format % params
-      end
-
       def needs_resizing?(img, width)
         img.columns > width
       end
diff --git a/lib/jekyll/responsive_image/tag.rb b/lib/jekyll/responsive_image/tag.rb
index ac8bade..0a216cf 100644
--- a/lib/jekyll/responsive_image/tag.rb
+++ b/lib/jekyll/responsive_image/tag.rb
@@ -1,6 +1,8 @@
 module Jekyll
   class ResponsiveImage
     class Tag < Liquid::Tag
+      include Jekyll::ResponsiveImage::Common
+
       def initialize(tag_name, markup, tokens)
         super
 
@@ -13,8 +15,7 @@ module Jekyll
       end
 
       def render(context)
-        config = ResponsiveImage.defaults.dup
-        config.merge!(context.registers[:site].config['responsive_image'])
+        config = make_config(context.registers[:site])
 
         image = ImageProcessor.process(@attributes['path'], config)
         @attributes['original'] = image[:original]
diff --git a/lib/jekyll/responsive_image/utils.rb b/lib/jekyll/responsive_image/utils.rb
index 425c30c..bceb0de 100644
--- a/lib/jekyll/responsive_image/utils.rb
+++ b/lib/jekyll/responsive_image/utils.rb
@@ -9,6 +9,11 @@ module Jekyll
         result
       end
 
+      def format_output_path(format, path, width, height)
+        params = symbolize_keys(image_hash(path, width, height))
+        format % params
+      end
+
       # Build a hash containing image information
       def image_hash(path, width, height)
         {