Caitirin Icons

Icon Making Resources to help the budding icon maker get started

A few LJ Communities that might be of interest

100x100_brushes - brushes/borders for use in icons
basicbases - What it says: a base community, each base maker has different usage/crediting policies
icon_extras - brushes, textures and other such things
icon_tutorial - the place to learn HOW to create certain effects/looks
icontemplated - resource for icon templates.

Photoshop Tutorials

http://www.planetphotoshop.com/category/tutorials/
These tend to focus on CS2 but many are translateable to older versions

http://www.photoshop101.com/

http://www.tutorialized.com/tutorials/Photoshop/1

Also you can take a look at my various credit pages to see the brushes and things I've used:

Brush Credits | Base Credits | Screencap Credits