Here we create the most basic of particle emitters - the Sprite Emitter. This example shows velocity-scaled sprites as well as using Light modules.
(00:04) - Intro and Creating a Material
(02:54) - Creating the Particle System
(08:57) - Making the Particles Fall and Change Color
(13:26) - Making the Particle Stretch and Collide
(17:04) - Recap and Making the Particle System Emit Light

A link to the wiki for further notes is available here -