Some cutouts in their armor for their nipples would let you use the brown and/or pink crayons.

White crayon: “Todaaay is the day!”

Clearly lacking artistic vision.

On the left id do a sick explosion in the background.

The right gets a spaceship interior with neon lights. So the highlights on Kylo and the troopers armors need to reflect that.

With “i do” i mean “if i had skill” of course.

Naw. That’s the rare ultra-super-elite stormtrooper. Here you see one making the shinies all jealous.

Only if you’re not creative.