I installed 3 Philips Hue bulbs in my porch for Halloween and made this walkthrough video of the iMakeStuff Hue Halloween app. There are 3 recessed fixtures above the porch with densely frosted white lenses and the Hues worked great. The Hues are color changing, RGB LED, edison base bulbs, and they can be controlled by ZigBee.
Adventures in Converting an Entire House to LED Lighting