Here is the icon frame:
First part for the coloring:
Second part for the coloring:
Then what I do is fiddle with it until I manage to get the look just right, to add the frame to a pic you put it above the pic you want like this:
then you add the green screen Chroma Keyer tool to the frame pic which is the one on top and then you use the eye drop tool and click in the middle of the pic and now it should look like this:
After that use adjustments using the cropping tool and whatever else you need when you're ready to save it make sure the picture quality level is at its highest and then viola crop the finished image and you have a finished icon ^^ XD