Only the Clouds? One MUST read Lysistrata. One should read the Frogs. One must read Aristophanes with Euripides or else you miss why he picked on him so often.
But I have a sneaking, slightly wicked fondness for the Thesmophoriazusae (In the Penguin editions called the Poet and the Women.) I have a certain fondness for the Wasps as well.
I recall my ancient history professor at university was having difficulty getting the students to read,The Satyricon until he told them it was the first pornographic novel in western civilization.