Tutorial is for Photoshop. I have no idea about elements sorry. But maybe you can decipher my instructions ito help you in Elements?
To adjust the size of the glitter in PSdouble click here:
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Then adjust this slider to make it look 'right'
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Want it to look like sprinkled glitter?
Choose a round or square brush, 25px-50px is good.
Set it to Scatter.
And also play with the size jitter & angle jitter.
Play with the spacing.
Then brush, and add glitter style to finish! Also adding a very small shadow makes it look more 3D.
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