"Super Nova" adds a shining like a star from the center of the picture, which can be tuned:

If increasing radius, you'll get:

If increasing radius and spokes, you'll get:

If increasing all the parameters: radius, spokes, random hue, you'll get:

You can easily change color of the light. Just press "Select color" and select the color you want (We chose red color in our sample):

A useful preview function is to preview the result.