Fork pom-poms, what a great idea and it involves less faffing than the cardboard rings or the wrapping of yarn round the fingers method. Eskimimiknits has written a tutorial on her fork-pom method which you can see in full here.
Flower Power - transfer your original artwork onto a simple glass or acrylic pencil cup. Print images on Lazertran paper and let dry for 30 minutes. Cut your image to the size of one panel of the pencil cup.