Finally, I changed mane colours a little bit to more bright. About lights on her mane, I use Luminosity layer in Paint Tool SAI with the lightest colour on her mane.
I decided to do it again just because of my progress. That earlier piece was really old and I want to change some things.
I really love when Blazing has 4 stripes on her mane, 2 long and 2 short as you can see. That makes her more original and lees similar to Rainbow Dash.
About cutiemark: hers is crossed drumsticks with gear.
If you want to ask me something just feel free to do this!