accepts_nested_attributes_for :panel_pictures, :allow_destroy => true
accepts_nested_attributes_for :balloons, :allow_destroy => true
- validates :comic_id, :presence => true, :numericality => true, :existence => true, :uniqueness => {:scope => :t}
+# validates :comic_id, :presence => true, :numericality => true, :existence => true, :uniqueness => {:scope => :t}
validates :resource_picture_id, :numericality => {:allow_blank => true}
validates :width, :presence => true, :numericality => true, :natural_number => true
validates :height, :presence => true, :numericality => true, :natural_number => true