interesting 3rd party apps and snippets

• X-SENDFILE headers: http://www.allbuttonspressed.com/projects/django-filetransfers
• sorl.thumbnail replacement and multiple file backends: http://github.com/SmileyChris/easy-thumbnails
• Model inheritance
  • http://djangosnippets.org/snippets/382/ - duplicate model object merging script
  • http://www.jacobian.org/writing/concrete-inheritance/
  • https://github.com/bconstantin/django_polymorphic