How is your Chesed like a morning cloud?
Refer to 6:4:2:1-3.
Radak: They will perish quickly, like a morning cloud or dew - when the sun gets hot, it ceases.
Malbim: Hashem will withhold good and Brachah from you. You will resemble a morning cloud - it seems that it will give rain, but it goes away.
What is the comparison "vecha'Tal Mashkim Holech"?
Refer to 6:4:3:1-3.
Malbim: Even if you will receive good, it will not last. It will be like dew - it came at night, and departs in the morning.
What is the comparison "k'Motz Yeso'er mi'Goren"?
Rashi: Like chaff that the wind blows it from the granary. A Sa'arah (storm wind) takes it.
Radak: Motz is fine straw. The wind blows it from the granary. So they will be blown from their land.
Malbim: Hashem will also bring evil against them, and exile them. They will be like chaff blown from the granary - the grain remains. So initially the Resha'im will be exiled, and the good ones will remain.
What is the comparison to smoke from a skylight?
Radak: Smoke that comes out from a window, it ceases quickly.
Malbim: The wind takes all the smoke away. So, afterwards, all will be exiled.