They have taken crafty counsel against thy people, and consulted against thy hidden ones.
Hidden ones — Thy people of Israel, who are called God's hidden or secret ones, to intimate the respect which God has to them, as to his peculiar treasure.
 The tabernacles of Edom, and the Ishmaelites; of Moab, and the Hagarenes;
The tabernacles — The people dwelling in them.
Ishmaelites — Some of the posterity of Ishmael, called by their father's name, as others of them are supposed to be called Hagarens from their grandmother Hagar.
 Gebal, and Ammon, and Amalek; the Philistines with the inhabitants of Tyre;
Gebal — An Arabian people so called by ancient writers dwelling in the southern border of Canaan, where most of the people here mentioned had their abode.
 Assur also is joined with them: they have holpen the children of Lot. /*Selah*/.
Of Lot — Moab and Ammon.
 O my God, make them like a wheel; as the stubble before the wind.
A wheel — Whereas they promise to themselves a sure possession, let them be like a wheel, which is very unstable, and soon removed.
 As the fire burneth a wood, and as the flame setteth the mountains on fire;
The mountains — The woods upon the mountains, which in those hot countries, when they have once taken fire, burn with irresistible violence.
 Fill their faces with shame; that they may seek thy name, O LORD.
May seek — May own and worship thee as the only true God.