Here are some examples of how you can add details to the fire effect I have shown in the following tutorials:
Scattered Soft Brush as Sparkles
Use a soft brush and change the brush settings to get it scattering. This often results in a nice looking magical effect.

Right: With Soft Brush Sparkles
Dust as Sparkles
Use dust brushes or overlays to add some glimming sparkles to your fire. When using real dust, this results in a nice and natural effect.

Right: With added dust
Colorized Fire
Use another Solid colored layer with blend mode “Color” to colorize your fire. Especially blue and green look very great in combination with this fire effect.

Right: Colorized
Explosive Fire
Add yome burst to your fire to create an explosive effect. The brushes

Smoking Fire
Add smoke to your fire to to create a more special effect. In below example I used the color “#e3f7ff” to make the smoke look a bit more natural.

[…] you want you can decorate your fire effect like explained here. I used my dust brushes to add some sparks to this […]