The following YouTube videos provide an overview of some basic Krakatoa rendering techniques using the Evaluation Version 1.6.0 (meaning that you don’t have to pay a penny to follow and produce the same results!)
Part 1: PRT Volume, Lighting, Emission and Absorption:
http://www.youtube.com/watch?v=eudomaAnI6o
Part 2: Normals and Environment Reflection Maps:
http://www.youtube.com/watch?v=JhNsN289pcU
Part 3: Particle Color Sources:
http://www.youtube.com/watch?v=2xOR_jqDhME
More to come in the near future…
Share and enjoy!

with larger format renders i always have trouble with that on my notebook tho(not enough resolution)…But knowing krakatoa’s genius it can be undocked 