def insert( index, *args)
      if !args.nil?
        pos = index
        args.each do |url| 
          convert = convert_remote_url( url )
          super( pos, convert )
          if index >= 0
            pos = pos + 1          
          end
        end
      else
        super( index, nil )  
      end
    end
def insert( index, *args)
      if !args.nil?
        pos = index
        args.each do |url| 
          convert = convert_remote_url( url )
          super( pos, convert )
          if index >= 0
            pos = pos + 1          
          end
        end
      else
        super( index, nil )  
      end
    end
Inserts the given values before the element with the given index (which may be negative), as standardized URL Hashes