Can someone help with a change to this indicator?

 

I am finding this indicator good for exit signals, when the blue or red tips appear on the histogram, how can I make the blue and red tips longer and more defined and easier to see?

Does anyone have something that give the same pattern but without repainting?

Thanks for any help

 
increase:
I am finding this indicator good for exit signals, when the blue or red tips appear on the histogram, how can I make the blue and red tips longer and more defined and easier to see?

Does anyone have something that give the same pattern but without repainting?

Thanks for any help

I think I changed it to what I wanted, works real good with the zigzag, exit on colour change on Heiken, when it lines up with new drawn zig zag

 

ZigZag_test

Increase,

Came across this fascinating HAsmoothed & Zigzag and your thread on using it effectively.

Could you share some more info on how you use it for trading?

What are the green & red lines; any use in predicting future levels?

Regards

p.s: Did you solve the problem of Arrows appearing only at ends of ZigZag and not elsewhere?