re: How to improve putting.

Agree with some of the other advice, but will add something I do before every round that helps me, especially if I have not played in a while. Before the round walk off 10 paces, 15 paces, and 20 paces from a flag on the flattest part of the putting green and work on finding good speed from those distances. Having good speed will give you a lot more confidence in choosing your line and hitting your line. You can even walk off the distance from your ball to the hole during your round and then think back to what that stroke felt like on the putting green.