golf putting drills?

1. make sure you always have a good follow through
2. you can use a string and marker for this drill – Mark the length of stroke for 3, 6, 9, and 12 foot putts. Work on it so you know exactly what to do for each distance. Once you have that down your way ahead
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three best ways to practice your putting.

http://www.pga.com/improve/tips/shortgame/improve_nesbitt120505.cfm

drill to help hone your putting stroke, and make more of the short putts that matter most.

http://www.pga.com/improve/tips/shortgame/improve_beck110904.cfm

selecting the right putter for you with some simple steps.

http://www.pga.com/improve/tips/rickmartino/improve_your_game013106.cfm

Good Luck I have more on my blog roll