I had to write 2 limerick poems for school, did I do it right?

Line 1: There once was a girl named Jenny
Line 2: Her unfaithful boyfriend’s name was Benny
Line 3: Jenny new Benny didn’t want to wed
Line 4: Jenny left Benny dead
Line 5: The women in jail called Jenny a new shiny penny

Line 1: There was an ugly girl shaped like a pair
Line 2: Her skin was very fair
Line 3: She didn’t have a brain
Line 4: Her face looked like it was hit by a train
Line 5: But men didn’t care, all they fell in love with was her pretty blond hair