Make a new document of 640x400 ( or what you deside ).
Now select the "Gradient" tool and set the modus on "Radial Gradient".
Now make a circel by pulling the line.

Now you see a fireball , now press "Ctrl + U" for adding some colors.

End result a fireball ! .. Now you can make nice things with it in a picture.

_Tutorial written by : Alientjuh
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