Icon Tutorial
Program: Photoshop CS2. I'm pretty sure it's translatable into other versions. Not PSP-friendly, sorry.
Level: Moderate. You need to know how to change layers and know where stuff is in your menu.
Uses: color layers, color balance, selective colors, brightness/contrass, saturation.
Warning: Semi-image heavy. Probably not dial-up friendly.
Crossposted: phoenix39, abstract_angst, icon_tutorial, icon_coloring.
Here at my art journal.