Don't get hand-cramps from writing all of your thank-you notes! Why not convert your handwriting into a font?! It costs about $10, but I'm filing this away for future reference... This would be really cool! :)
This is a file of six printable binder covers in png format. It includes polka dots and stripes in pink, green, blue, and black. Simply add your text on top of the frame and you have a cute printable! This also includes 1 inch and 2 inch binder spines.