class AssetImage < ActiveRecord::Base
  belongs_to :asset
  has_attached_file :image, :styles => { 
    :medium => "300x300!", 
    :thumb => "100x100!" 
  },  :default_url => "assets/users/imgo.jpeg"
  validates_attachment_content_type :image, :content_type => /\Aimage\/.*\Z/
  
end