Lit spinner is the fastest way to score points. Light spinner when that award is lit on the bottom left stand up.
Before plunging, use the right flipper button to select which billiard balls are available to collect. Each collected ball is 3k in bonus.
If Extra Balls are enabled, the EB award at the stand-up only lites up once every six cycles of stand-up awards.
If you have a lot of balls collected, then focus on completing drop target banks, which advance bonusX to 3x, 5x, and 10x.