Making an Alphabet Book by Kathryn Stout. You could get as creative and crafty as you want, but this gives you a good guide to get started.
Alphabet
Bembo’s Zoo. A must see.
Handwriting Worksheets and Printable Activities for Preschool and Kindergarten – There is a wealth of activities here for the younger set.
Sandpaper Letters II – a great idea for the kinesthetic learner
Alphabet Preschool Activities and Crafts – Printables, worksheets, book recommendations, crafts, etc.
Jan Brett Alphabet – These would be a great reference guide for any handwriting curriculum. The illustrations are wonderful. You could even print them on cardstock (and frame them?!) and decorate a room, they’re that sweet. Or hang them on the wall of your schooling room. Choose from traditional manuscript, cursive manuscript and modern manuscript.
Alphabet (ABC’s) Theme – If you’re teaching the letters, this is a great resource