Tip #1
put a black and white layer on and set to luminosity
not really sure what it does, but before and after of it makes it look cooler
Tip #2
Add 2 around 100px soft brush dots in random places around the render/focal early on, in the end it will make it look pretty cool
Tip #3
Save often, photoshop is often a whore and freezes, save the .PSD as often as possible
Tip #4
My favorite smudging brush is:
However different ones suit different times,
Tip #5
Learn about overlay, lighten, screen, soft light and all the other ones, they will make your work look 10x better if you master them
Tip #6
Add a black layer over the top and using 5 -13 px brushes create dots around the focal and switch to linear dodge
This is just a beginner guide to make there work abit better
I will update this thread more as time goes on and i can think of some.
PM me if youve got any suggestions to add to this