General

Brushthralls
-A site that covers everything from prepping a model to giving it a protective coat.

Oz Painters
-Forum for all levels of skill.

MiniPainters.com
-A superb miniature website, focused mainly on painting and modeling.

Setting up an area to work

Hive Fleet Moloch
-An amazing Tyranid collection.

The Gimp
-Free image manipulation program.

Modeling

Amazing Magnets
-A large collection of magnets at affordable prices.

Gaussboys Super Magnets
-Rare earth magnet store. Decent prices.

MiniPainters - Basing tutorials
-From beginner to expert.

MiniPainters - Modeling tutorials
-From beginner to expert.

MiniPainters - Sculpting tutorials
-From beginner to expert.

Scuplting- Intermediate
-A downloadable sculpting tutorial (intermediate level).

Sculpting- Intermediate/Expert
-Sculpting tutorial on CoolMiniOrNot by Gael.

Terragenesis
-Terrain modeling site. Plenty of tutorials and gallery images.

DIY Drop Pod tutorial

Painting

Green Man Studios -Beginner's Guide

MiniPainters - Painting tutorials
-From beginner to expert.

Photography Tutorials

Getting great miniature photos A good article on getting good miniature photos, posted over at TTGN.

Photo Tutorial including how to use a free image editing program (for those without photoshop )

Photography Tutorial, mainly on lighting from Dakka Dakka

Photography Tutorial Part 1- Lighting
Photography Tutorial Part 2- Camera Settings
Photography Tutorial Part 3- Post Processing
Photography Tutorial Part 4- Stage Setup

Terrain Modeling

MiniPainters- Terrain making tutorials
-From beginner to expert.