I quite like Open G tuning. It’s good for mildly-interested-in-playing-music folks like me that own fingers deformed into claws by many year of drawing and definitely NOT because of masturbation.
You can click on this link and start at the beginning. Likes, pluses, shares, follows, and the rest of that sort of appreciative thing motivates me to draw more. Fifty Tumblr and/or G+ followers and I’ll go to twice a week. Every month this doesn’t happen, I increase the number required.