NoMethodError in Posts#show

Showing /Users/kennyvb/GitHub/frakklerne/app/views/posts/show.html.erb where line #20 raised:

undefined method `each' for /uploads/post/image/3/Dirloads_IMG_0097.PNG_MB.png:PostimageUploader

Extracted source (around line #20):

17:  
18:  <p>Tags: <%= raw @post.tag_list.map { |t| link_to t, tag_path(t) }.join(', ') %></p>
19:  
20:   <% @post.image.each do |image| %>
21:  
22:  <%= link_to (image_tag (post.image_url(:thumb))), post.image.url(:original), :class => 'postimage' %>
23:  

Rails.root: /Users/kennyvb/GitHub/frakklerne
Application Trace | Framework Trace | Full Trace

app/views/posts/show.html.erb:20:in `_app_views_posts_show_html_erb___1683756060285621274_70167645681440'
app/controllers/posts_controller.rb:20:in `show'

Request

Parameters:

{"id"=>"mit-forste-indlaeg"}