
It's generally recommended to paint your house every 3-5 years to protect your siding, stucco, or shingles, as well as maintain a fresh looking exterior.
To prevent uneven drying from painting in direct sunlight, paint the north and west side of your home in the morning hours and switch to the south and east sides in the afternoon and evening.
The best time of year to paint your house is in the spring or fall when the temperatures are the most mild.

There is a battle brewing across American neighborhoods. Homeowners who "toe the line" and maintain a consistent home color amongst themselves vs. those who prefer a bolder palette when it comes to their abode. HOA's limit this form of self-expression but many older neighborhoods, which often contain historical buildings, aren't bound by these restrictions.
Painting the town red, tangerine and cobalt [LA Times]

Improve your painting skills with these tips that will help you choose the right brush for the job and the correct brush stroke technique to use.
Brushes, Rollers, Pads and Specialty Tools [DoItYourself]
Secrets of Smooth Brushwork [This Old House]
Interior House Painting Rules [About.com]
Why House Paints Fail [Old House Web]