Recently on the GT channel, Anders Mouridsen talked about playing guitar while you are watching television. I can't recommend this enough. Simply sitting there while watching TV, moving up and down the neck of the guitar practicing really goes a long way. An hour of TV watching while just running through simple exercises really, really helps and will get that pinky in shape in no time at all. Check out the video link below;

http://www.youtube.com/watch?v=m7rwzKzJfLI

That is part of GT"s tip of the week, going into a Jazz Guitar Lesson. Try this out the next time you are sitting at home, and it will really make a difference.