F is for Furies from A Dark Alphabet designed by Julie and Becky's Note of Friendship blog.
F is also for Fair Isle and Flowers as shown in the Brooke's Book's Stitcher's Alphabet piece I am stitching for the Alphabet Club SAL:
Fair Isle is a style of knitting originating from one of the Shetland Island called (you guessed it) Fair Isle. Here is an article about crafts from the Fair Isle and here are some jumpers:
I'm not a big one for stitching flowers, but I did complete The Year of Flowers from World of Cross Stitching magazine a few years ago: