Add a key image to Refinery

1_migration.md

Create migrations

rails g migration add_key_image_to_refinery_page key_image_id:integer

rake db:migrate

Override Page model

rake refinery:override model=refinery/page

Override Page admin form

rake refinery:override view=refinery/admin/pages/_form

2_app_models_refinery_page.rb

module Refinery
  class Page < Refinery::Core::BaseModel
    belongs_to :key_image, :class_name => '::Refinery::Image'
    attr_accessible :key_image_id # You can actually just append :key_image_id to the existing list of attr_accessible items

    # ...
  end
end

3_app_views_refinery_admin_pages.html.erb

# ...

  <div class='field'>
    <%= f.label :background_image, 'Key Image' -%>
    <em>Image size: 1280x960</em>
    <%= render '/refinery/admin/image_picker',
               :f => f,
               :field => :key_image_id,
               :image => @page.key_image,
               :toggle_image_display => false %>

  </div>

# ...

Thanks @Soldo. I hurriedly wrote this up earlier and forgot that bit. I've added it now.