old_contents: from django.conf import settings
  
  SETTINGS_TO_ADD = (
      'GOOGLE_ANALYTICS_ACCOUNT',
      'SOURCE_HINTS',
  )
  
  def add_settings(request):
      """Add some selected settings values to the context"""
      
      return {
          'settings': {
              k: getattr(settings, k) for k in SETTINGS_TO_ADD
          }
      }
  
new_contents: from django.conf import settings
  
  SETTINGS_TO_ADD = (
      'GOOGLE_ANALYTICS_ACCOUNT',
      'SOURCE_HINTS',
      'MEDIA_URL',
  )
  
  def add_settings(request):
      """Add some selected settings values to the context"""
      
      return {
          'settings': {
              k: getattr(settings, k) for k in SETTINGS_TO_ADD
          }
      }
  
subject: Make sure MEDIA_URL is available in the context of every template