For my wedding this year I did paper roses using this excellent tutorial:
Not only was it pennies to make they also meant so much more to me. Although for my own I chose to print out our love letters on ivory paper. I love this idea for doing something sentimental. You could use a map from somewhere you traveled to or an old and loved book that is now falling apart.
This is my own Bouquet here and the BEST part is it makes a great mantle piece now.