Ruby - Looping through multidim. hash

hash-loop.rb

- @objects.each do |item|
  .feed-item.left.relative
    .feed-image.left
      - if item['pictures'].empty? == false
	- item['pictures'].each do |pics|
	  - if pics['main'] == true
	    %img{:src => "#{pics['filename']}-small.png"}
      - else
        %img{:src => "default-small.png"}
    .feed-spec.left
      %h3 
	%a{:href => "/profile/#{item['uid']}"}= item['user']['username']