config.paperclip_defaults = {
  :storage => :s3,
  :s3_credentials => {
    :bucket => 'mybucketname', #ENV['S3_BUCKET_NAME'],
    :access_key_id => 'myaccesskey'
    :secret_access_key => 'mysecretkey'
  }

Paperclip::Attachment.default_options[:url] = 'mybucketname.com.s3-website-us-west-1.amazonaws.com'
    Paperclip::Attachment.default_options[:path] = '/:class/:attachment/:id_partition/:style/:filename'
Paperclip::Attachment.default_options[:s3_host_name] = 's3-website-us-west-1'