Okay art tip one/advice
1
You can't find your artstyle you have to make your own, I know it's impossible to make a new style. That doesn't exist, what i mean is you can have a realistic artstyle, but you have to add your own little detail like detailed eyes, fantasy words ect.Art tip two
2
If you want to add a tint, select the character,add a layer, set the blending mode to multiply. Then choose your colour, like red(for heated or dramatic), purple(just for anything dark. ) And yellow for light stuff.