I will give it a whirl, I am going to volunteer this answers, might have others as well.    Wait and see.

Eles deixaram uma mensagem na parede da escola.

They left a message in the wall of the schoo./  In the school wall.

Eles pintaram um painel na parede da escola.

They painted a panel on the school wall.

Todas as garotas caem em cima dele.

All girls from the block/school/everywhere fall for him/ He charm even the birds from the trees, such a handsome guy!

Ele está apaixonado por ela de verdade.

He really fell in love with her.

He really is in love with her.

PP.