diff --git a/doc/guides/4 - Refinery Extensions/9 - Adding an image collection to an extension using PageImages.md b/doc/guides/4 - Refinery Extensions/9 - Adding an image collection to an extension using PageImages.md
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+# Adding Multiple Images to your Model
+
+Refinery offers a generator which allows an engine/model to have fields which are single images. It doesn't supply anything out-of-the-box to allow a model to have a collection of images.
+
+However the extension *Refinerycms-page-images* implements an image collection for the *Refinery::Page* model which can be extended to other models.
+
+*Thanks to [Prokop Simek](:https://github.com/prokopsimek) who detailed this method [here](:https://github.com/refinery/refinerycms-page-images/issues/111).*
+
+## What you get
+
+When you have completed these steps your model/engine you will be able to add and remove images from an instance of your model using the same tabbed interface used by Refinery::Pages.
+
+In a view you will have access to a collection of images (*@model.images*) or a collection of images with associated captions (*@model.images_with_captions*).
+
+### Pre-requisites
+
+* Refinerycms
+* Refinerycms-page-images
+* an engine or extension to work with (the examples will use `Shows`)
+
+
+##### Configure Refinerycms-page-images
+
+````Ruby
+#app/config/initializers/refinery/page_images.rb
+Refinery::PageImages.configure do |config|
+ config.captions = true
+ config.enable_for = [
+ {model: "Refinery::Page", tab: "Refinery::Pages::Tab"},
+ {model: "Refinery::Show", tab: "Refinery::Shows::Tab"}
+ ]
+ config.wysiwyg = true
+end
+````
+
+##### Add page-images to your model
+
+````Ruby
+#vendor/extensions/shows/app/models/refinery/shows/show.rb
+module Refinery
+ module Shows
+ class Show < Refinery::Core::BaseModel
+
+ self.table_name = 'refinery_shows'
+ validates :title, :presence => true, :uniqueness => true
+ has_many_page_images
+ end
+ end
+end
+````
+
+##### Define Tabs
+
+````Ruby
+#vendor/extensions/shows/lib/refinery/shows/tabs.rb
+ module Refinery
+ module Shows
+ class Tab
+ attr_accessor :name, :partial
+
+ def self.register(&block)
+ tab = self.new
+
+ yield tab
+
+ raise "A tab MUST have a name!: #{tab.inspect}" if tab.name.blank?
+ raise "A tab MUST have a partial!: #{tab.inspect}" if tab.partial.blank?
+ end
+
+ protected
+
+ def initialize
+ ::Refinery::Shows.tabs << self # add me to the collection of registered tabs
+ end
+ end
+ end
+ end
+ ````
+
+##### Load and Initialize Tabs
+````Ruby
+# vendor/extensions/shows/lib/refinery/shows.rb
+require 'refinerycms-core'
+module Refinery
+ autoload :ShowsGenerator, 'generators/refinery/shows_generator'
+
+ module Shows
+ require 'refinery/shows/engine'
+
+ autoload :Tab, 'refinery/shows/tabs'
+
+ class << self
+ attr_writer :root
+ attr_writer :tabs
+
+ def root
+ @root ||= Pathname.new(File.expand_path('../../../', __FILE__))
+ end
+
+ def tabs
+ @tabs ||= []
+ end
+
+ def factory_paths
+ @factory_paths ||= [ root.join('spec', 'factories').to_s ]
+ end
+ end
+ end
+end
+````
+
+
+##### Finally modify the admin view
+````Ruby
+# vendor/extensions/shows/app/views/refinery/admin/_form.html.erb
+<%= form_for [refinery, :shows_admin, @show] do |f| -%>
+ <%= render '/refinery/admin/error_messages',
+ :object => @show,
+ :include_object_name => true %>
+
+
+
+ <%= render '/refinery/admin/form_actions', :f => f,
+ :continue_editing => false,
+ :delete_title => t('delete', :scope => 'refinery.shows.admin.shows.show'),
+ :delete_confirmation => t('message', :scope => 'refinery.admin.delete', :title => @show.title) -%>
+<% end -%>
+````
\ No newline at end of file
diff --git a/doc/guides/4 - Refinery Extensions/9 - Adding an image collection to an extension using PageImages.textile b/doc/guides/4 - Refinery Extensions/9 - Adding an image collection to an extension using PageImages.textile
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+h1. Adding Multiple Images to your Model
+
+Refinery offers a generator which allows an engine/model to have fields which are single images. It doesn't supply anything out-of-the-box to allow a model to have a collection of images.
+
+However Refinery has a plugin "Refinerycms-page-images" which implements an image collection for the Refinery::Page model.
+
+It is relatively straight-forward to use this plugin to add an image collection to your model.
+
+*Thanks to "Prokop Simek":https://github.com/prokopsimek who detailed this method "here":https://github.com/refinery/refinerycms-page-images/issues/111.*
+
+h2. What you get
+
+When you have completed these steps your model/engine you will be able to add and remove images from an instance of your model using the same tabbed interface used by Refinery::Pages.
+
+In a view you will have access to a collection of images ("@model.images") or a collection of images with associated captions ("@model.images_with_captions").
+
+h3. Pre-requisites
+
+* Refinerycms
+* Refinerycms-page-images
+* an engine or extension to work with (the examples will use Shows)
+
+
+h5. Configure Refinerycms-page-images
+
+bc..
+# app/config/initializers/refinery/page_images.rb
+Refinery::PageImages.configure do |config|
+ config.captions = true
+ config.enable_for = [
+ {model: "Refinery::Page", tab: "Refinery::Pages::Tab"},
+ {model: "Refinery::Show", tab: "Refinery::Shows::Tab"}
+ ]
+ config.wysiwyg = true
+end
+
+h5. Add page-images to your model
+
+bc..
+#vendor/extensions/shows/app/models/refinery/shows/show.rb
+module Refinery
+ module Shows
+ class Show < Refinery::Core::BaseModel
+
+ self.table_name = 'refinery_shows'
+ validates :title, :presence => true, :uniqueness => true
+ has_many_page_images
+ end
+ end
+end
+
+h5. Define Tabs
+
+bc..
+# in vendor/extensions/shows/lib/refinery/shows/tabs.rb
+ module Refinery
+ module Shows
+ class Tab
+ attr_accessor :name, :partial
+
+ def self.register(&block)
+ tab = self.new
+
+ yield tab
+
+ raise "A tab MUST have a name!: #{tab.inspect}" if tab.name.blank?
+ raise "A tab MUST have a partial!: #{tab.inspect}" if tab.partial.blank?
+ end
+
+ protected
+
+ def initialize
+ ::Refinery::Shows.tabs << self # add me to the collection of registered tabs
+ end
+ end
+ end
+ end
+
+h5. Load and Initialize Tabs
+# vendor/extensions/shows/lib/refinery/shows.rb
+require 'refinerycms-core'
+
+bc..
+module Refinery
+ autoload :ShowsGenerator, 'generators/refinery/shows_generator'
+
+ module Shows
+ require 'refinery/shows/engine'
+
+ autoload :Tab, 'refinery/shows/tabs'
+
+ class << self
+ attr_writer :root
+ attr_writer :tabs
+
+ def root
+ @root ||= Pathname.new(File.expand_path('../../../', __FILE__))
+ end
+
+ def tabs
+ @tabs ||= []
+ end
+
+ def factory_paths
+ @factory_paths ||= [ root.join('spec', 'factories').to_s ]
+ end
+ end
+ end
+end
+
+
+h5. Finally modify the admin view
+
+bc..
+#vendor/extensions/shows/app/views/refinery/admin/_form.html.erb
+<%= form_for [refinery, :shows_admin, @show] do |f| -%>
+ <%= render '/refinery/admin/error_messages',
+ :object => @show,
+ :include_object_name => true %>
+
+