I'm taking tutorial requests here for any icons I've made within about the last year. iulieki requested a tutorial for the effects on this icon:
I even asked her to provide me with an image to do the effect on, so today I'll be going from this to this:
to
It's ten relatively easy steps and while I'm using PSP8, my program of choice, it should be more than easily translateable to any other GIMP-level program on up. You may need at least moderate experience with your program to be able to follow this.