Wow! Searching on this comes up w/full face painting, which I don't think you wanted. I did find this:

How to Face Paint » Blog Archive » Butterfly Face Paint Design, Simple Cheek Art Steps| Face Painting Designs | Face Painting Courses | Face Painting Ideas

Youtube has some:
YouTube - Cheek Art Designs: How to Paint a Flower

Face Painting Cheek Art « Face Painting Ideas

Where To Find Free Face Painting Ideas

wish I'd found more!

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