The Itinerant Wargamer blog has an article on speed painting horses.
painting
Painting 6mm Figures Tutorial
Legion Wargames has a tutorial on painting 6mm figures.
Cleaning and Repairing Second Hand Models
Brushthralls has an informative illustrated tutorial on cleaning and repairing old figures.
Miniature Paint Comparisons
Exponent wargaming has a nice article comparing the Vallejo, Games Workshop, Tamiya and Privateer Press paint lines from a gaming painter’s perspective.