Brilliant tutorial!
I used your method to produce rounded square buttons. I'm not 100% satisfied with the highlights, but I can tweak them later.
Tip for this type of work: Duplicate and keep the original background layer around. Call it "Flat White Background." It will make selecting the work area much easier (i.e. go to layer, magic-wand the circle or rectangle or whatever, then invert selection if needed). Make sure to un-check the "visible" option in the layer properties, though.
My first attempt:
I followed the tutorial nearly exactly. I only changed three things:
1. Made it
