Gottfried Hofmann shows us how to create light streaks using particles in Blender 3D similar to the effect that you would see coming out of After Effects.

Blender Tutorial: Light Streaks Using Particles from Gottfried Hofmann on Vimeo.

Most people do Light Streaks in After Effects. But you can create them in Blender, too. With full control over speed and timing thanks to the motion trail addon by Crouch!