The one on the top left reads:
Wear a sweater to bed. You'll be cold when I dump you.
These weren't mine.
But the Parking Valentine was mine.
So was the dinosaur Valentine. It says*:
Roses are red
Dirt is brown
Be my Valentine
Or I'll frown.
*Not original. I think I read that in Walk Two Moons. Also, I copied the idea for clothespins from Sherry.