What is the difference between "Bamos" and "Chamanim"?
Rashi: 'Bamos' are towers and castles, and 'Chamanim', a kind of idol that they placed on their rooftops opposite the sun. 1
Rashbam, Targum Onkelos and Targum Yonasan: 'Bamos' refers to the altars that they built (to sacrifice to their gods). Targum Yonasan: 'Chamanim' refers to diviners and sorcerers.
Chizkuni: It is based on the word Chamah; the Nun is extra. Presumably, it was a form of sun-god. (EC)
What did Hashem mean when He said "V'Nasati Es Pigreichem al Pigrei Giluleichem"?
Rashbam: It means that they will be killed as they are in the houses that house their Bamos (sacrificing to their gods).
What are the connotations of "Vega'alah Nafshi Eschem"?
Rashi: This refers to the withdrawal of the Shechinah.