Hello !!! I just joined the community and I have to icon tutorials I'd like to share with you. I hope they'll help you a little. ^^ They're both written for Photoshop Elements, but I think they're easily translated into other programs. XD
First tutorial will show you how to go from:
to
The steps are given on my icon journal The second tutorial is similar to the first, and it will show you how to turn this base:
into
The instructions can also be found at my icon journal.