1)
What is the Chidush "Noteh Shamayim Levado"?
1.
Rashi: The angels were created on the second day. Do not say that Micha'el stretched it in the north, and Gavriel in the south.
2.
Malbim: It is as if He stretched it with His hands - "Yadi Yasdah Eretz vi'Ymini Tipechah Shamayim." He created all like one body, that the individual limbs are for the benefit of the entire body.
2)
What is "Al Bamasei Am"?
1.
Rashi: On the heights of the sea. It was said about Ma'ase Bereishis, that the lower water rose above, and He trampled on them.
2.
Malbim: He portrays as if Hashem stood with His feet on the high place of the sea, and trampled them.
