Write a poem. Express how much you care for your mom in a poem. You can print it on good paper and frame it for her if you like.
Print out your favorite quotes that make you think of her. There are many online resources to find quotes, or just think up your favorites. Print them up and give them to her.
Make her a card. Sure, you can buy a card and make it special, but there's something about one you make yourself. With all the free clipart available online, you can make it look great even if you can't draw worth anything.
