Recently, I bought the Seeed Studio SD Card Shield from Radio Shack for a decent price, around $13.00. It's composed of a shield with an sd card in which you cna use it with the arduino microcontroller. The only problem is: How do I set it up to the arduino library so that I am able to use it to play a wav file with a speaker? I have looked evreywhere online, but nothing has helped. I need help immediately. Thanks.