I saw this pokemon sprite in another game and I love space so I fell in love with this sprite! for hours now I have tried to re-create so I can do all 802+ sprites like this, can anybody tell me how to create a galaxy sprite similar to this one? thank you so much in advanced for anyone who has the knowledge! I thought gradients would do the trick but I cannot find one that matches the patterns/colors.
ps I am using gimp.

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The image you added isn't visible, just add a neater image.

photobucket won't show my pic so I added a screen shot

Ooh, that's smooth.
Anyways idk anything about it, just wanted to see what you were talking about, actually that looks like recoloured rainbow to me.
Added a bunch of glitter here and there and lo!

Huh that sounds very plausible, idk how to do rainbows with the cool bigger aura effect nor do I know how to add sparkles. Do you know how to do any of those?

I've been trying to learn rainbows, but can't really do those, just know the process, but I'm a bit slow on that.
Also, once you get to know it, it'd be so easy to make any of those kind.

What's the process I don't know how to add that cool larger effect to rainbows??

Just look for forum threads on Creed, pretty sure you'll find one soon