This website that allows you to order the phrase you want (in wooden or vinyl letters) in just about any font imaginable. They have oversized Scrabble tiles too! - this site is awesome! Just ordered sons letters for room!
Flower letters is a very simple and beautiful DIY project for a baby girl nursery. Buy fake flowers from the dollar store, letters from a crafts store (or just cut them out yourself) and glue the flowers onto the letter.