I got this program from a friend I found in a Japanese contact site
I haven't tried it yet, because he was using it to learn the hiragana and katakana, but I already knew them... AND, I've just been too lazy.
anyway, check it out. It might be something for you. My friend said it was an excellent program to learn the different alphabetes (not entirely sure it was teaching hiragana, but he said he had problems with both...sooo yeah, you could always just check it out...it's free after all) ^^
Japanese Learning Site