okay so i have an iphone 3g. i use the itunes ON THE PHONE to buy songs for it. i just recently bought around 20 songs with an itunes giftcard. when i finished clicking all the ones i wanted, and i found that all the songs werent doing any progress. just sitting there with "waiting.." underneath it. i dont know what to do to make them load and get them to go into my ituned library. please help!!