http://www.cookie.com/kids/games/abc-jigsaw.html ABC JigSaw Puzzle
http://www.cookie.com/kids/games/alphabet-matching.html ABC matching with upper and lowercase letters
http://www.cookie.com/kids/games/color-letter.html Color by letter
http://www.cookie.com/kids/games/letter-blox.html Match the letter in the box
http://www.abcya.com/kindergarten_computers.htm Various ABC games