Though I have many stamps, sometimes I don't have the right size for the space. I have seen many people use "Happy (heart) Day" in place of Happy Valentine's Day, and think it is sweet. This also allowed me to use a sticker that I've had for some time. I rounded the corners of the card for something different.
Stamps: Close to My Heart
Paper: white cardstock (Georgia Pacific)
Ink: Colorbox Chalk Rouge
Accessories: Cuttlebug Embossing Folder, sticker (Mrs. Grossman's), corner rounder