A new report suggests that Apple’s catchy TV advertisements for the iPod nano, iPod touch, and iPhone are having a ripple effect on online searches. According to the latest numbers from Compete, U.S. consumers made nearly 1 million queries for iPod related commercials or the underlying music from August 2007 to January 2008. 15 of the top 20 searches contained the word “song” or “music,” suggesting that many consumers…