That worked fine, here's the video:
Of course, I kept messing with it, and I came up with this blue/green combination that I thought was nice. You could use two colors of edible glitter and combine them to make a variegated color on the surface of the cake, then apply the flowers on that. I like this effect, it would be cute for a mermaid birthday cake, and you could put coral and seashells on it instead of the flowers.
Kara Buntin owns A Cake To Remember LLC, online cake supplies at www.acaketoremember.com and www.acaketoremember.etsy.com