These letter flash cards are so beautiful, they have really been designed perfectly.  This site offers a few different options:  different fonts, a few different options for certain letters, large sized for posting in classrooms or on your walls at home and small flash cards easy for little hands to hold.  

These cards are a great way to help your toddler identify with the alphabet, and get familiar with the things around them.  Its also a fun way to help them learn.  Play a game with them:  have a few on the floor, face up and ask them to pick out one that they can see.  Or ask them to show you their favorite letter.  There are endless possibilities with these.