validates :caption, :presence => true, :length => {:maximum => 30}
validates :url, :presence => true, :length => {:maximum => 200}, :uniqueness => {:scope => :name}, :url => {:message => I18n.t('errors.messages.url')} #{:allow_blank => true}
validates :system_picture_id, :presence => true, :numericality => true, :existence => {:both => false}
+ validates :license_group_settings, :boost => {:boost_name => :license_group}
+ validates :credit_picture_settings, :boost => {:boost_name => :credit_picture}
def overwrite
end