The only time I trim handgun cases is when I'm wanting them to all have the same degree of crimp.
That's normally only with .357 and .41 Magnum.
I agree that you can probably back off on your crimp, it does look heavy.
As for filler... generally no.
What powder and what charge weight are you using?
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.