diff --git a/app/models/image.rb b/app/models/image.rb
index 5a78449..01df1e6 100644
--- a/app/models/image.rb
+++ b/app/models/image.rb
@@ -6,8 +6,8 @@ class Image < ActiveRecord::Base
 
   sanitize_filename
 
-  has_attachment :content_type => :image, 
-                 :storage => :file_system, 
+  has_attachment :content_type => :image,
+                 :storage => :file_system,
                  :path_prefix => 'public/image_uploads',
                  :resize_to => '800x600>',
                  :thumbnails => { :big      => '150x150',
@@ -15,7 +15,8 @@ class Image < ActiveRecord::Base
                                   :portrait => '64x64',
                                   :minor    => '50x50>',
                                   :icon     => '20x20!' },
-                 :max_size => 5.megabytes # remember to update validate message below
+                 :max_size => 5.megabytes, # remember to update validate message below
+                 processor: 'Rmagick'
 
   validates_attachment :size => N_("{fn} of uploaded file was larger than the maximum size of 5.0 MB").fix_i18n
 
diff --git a/app/models/reported_image.rb b/app/models/reported_image.rb
index fcbee3e..e0f978b 100644
--- a/app/models/reported_image.rb
+++ b/app/models/reported_image.rb
@@ -5,6 +5,7 @@ class ReportedImage < ActiveRecord::Base
 
   has_attachment :content_type => :image,
     :storage     => :file_system,
-    :max_size => 5.megabytes
+    :max_size => 5.megabytes,
+    processor: 'Rmagick'
 
 end
diff --git a/app/models/thumbnail.rb b/app/models/thumbnail.rb
index 6123619..215c2e0 100644
--- a/app/models/thumbnail.rb
+++ b/app/models/thumbnail.rb
@@ -1,6 +1,6 @@
 class Thumbnail < ActiveRecord::Base
   has_attachment :storage => :file_system,
-    :content_type => :image, :max_size => 5.megabytes
+    :content_type => :image, :max_size => 5.megabytes, processor: 'Rmagick'
   validates_as_attachment
 
   sanitize_filename
diff --git a/app/models/uploaded_file.rb b/app/models/uploaded_file.rb
index dcb0008..b888f0d 100644
--- a/app/models/uploaded_file.rb
+++ b/app/models/uploaded_file.rb
@@ -63,7 +63,8 @@ class UploadedFile < Article
   has_attachment :storage => :file_system,
     :thumbnails => { :icon => [24,24], :bigicon => [50,50], :thumb => '130x130>', :slideshow => '320x240>', :display => '640X480>' },
     :thumbnail_class => Thumbnail,
-    :max_size => self.max_size
+    :max_size => self.max_size,
+    processor: 'Rmagick'
 
   validates_attachment :size => N_("{fn} of uploaded file was larger than the maximum size of %{size}").sub('%{size}', self.max_size.to_humanreadable).fix_i18n
 
diff --git a/config/initializers/attachment_fu.rb b/config/initializers/attachment_fu.rb
new file mode 100644
index 0000000..91cf9b2
--- /dev/null
+++ b/config/initializers/attachment_fu.rb
@@ -0,0 +1,2 @@
+Technoweenie::AttachmentFu.mattr_writer :default_processors
+Technoweenie::AttachmentFu.default_processors = %w(Rmagick ImageScience MiniMagick Gd2 CoreImage)
--
libgit2 0.21.2