There are many different ways to learn to play acoustic guitar, but the best way is to learn to play acoustic guitar on DVD, it is also the cheapest.
Source: www.freepianomusic.net

Beginner Guitar Lessons, Level 1 Book and DVD: Learn Songs the Quick, Simple, and Easy Way Beginner Guitar Lessons Level 1 includes a 79-page book and DVD containing over 2 hours of hi resolution, multi-angle easy-to-follow videos to get you playing songs right away. Our DVD provides you with interactive controls, allowing you to play along with the songs, jam with just the backing band, isolate the guitar part, focus on chords and strumming, and loop, or repeat, individual sections of video over and over until you get it just right. The song videos have scrolling lyrics and chords, so you can play and sing along.

With this product you’ll learn the basics of chords, how to hold, tune, and strum the guitar; how to play your favorite styles including rock, blues, country, folk, metal and punk; and how to play 5 popular songs made famous by artists like Eric Clapton, The Beach Boys, Willie Nelson, Creedence Clearwater Revival and more…

Featured Songs:

“Sloop, John B.” - made famous by the Beach Boys “Corrina, Corrina” - made famous by Eric Clapton (better known as “Alberta”) “The Midnight Special” - made famous by Creedance Clearwater Revival “Salty Dog” - made famous by Johnny Cash “Will the Circle Be Unbroken” - made famous by the Carter Family and Wille Nelson

• Full video lessons teach you guitar basics, chords and strumming
• Song lessons have scrolling chords and lyrics for easy play-along
• Background music provided – so it sounds like you are playing with a full band