This series of free beginner guitar lessons should have you strumming simple songs within a few hours.

Writing a great melody is the key to writing a great song. Through study of songs by The Beatles, The Beach Boys and Radiohead, this lesson is designed to teach you techniques to write catchy melodies for your songs.
Featuring Ozzy Osbourne on lead vocals for the first time on a studio Sabbath album since 1978, Black Sabbath's new release 13 has fans very excited. Although the album won't officially be released until June 11th, iTunes users can get a free sneak peek. By going to the Black Sabbath page on the iTunes web site, and clicking on "View in iTunes", you can stream the entire album for free right now.
Here is a song that has been stuck in my head for weeks. It's a great, simple song from a band called Fruit Bats, from their 2003 album Mouthfuls. This is an especially great song to play for beginners - it has just a few chords, and a simple strum. Listen to "When U Love Somebody" here, and learn to play the chords for the song. Learn the guitar chords for "When U Love Somebody"