I had the prop off for annual and started balancing it. Then I realized that maybe someone doesn't know how to do this so I made a video! My balance jig is pretty simple but seems to work well. I use the same jig to balance my tires!
Anyway, take a look and if you got an easier way, let me know.
Also I bought a $1, 3-axis accelerometer from the Chinese (gota love em) and am starting to work on a Dynamic balancer, but mine will be permanently in the plane so I will be able to monitor any unusual vibration. At least that's the plan.