Frederik Steinmetz shows you a wonderfull trick how to force particles to emit other particles in Blender 2.63+ while Gottfried Hofmann will show you how to arrange a nice fireworks display with the Blender VSE.

Blender has a full-fledged video editing solution built right in - the Video Sequence Editor or short VSE. This tutorial shows how to add movies, image sequences, still images and sound plus basic keyframe animation.