Herein will reside the links and/or videos that we will host to help you on your way.
From little clips on youtube or manufacturer sites to perhaps even in house videos to help you along.

Vallejo Water Effects Demo Video
Vallejo has put together a short (9 minute) video to show an example on how to get various results with their Water Effects. You can find it here on YouTube

Preshading models via Airbrush & Primer from James Wappel
The title says it all. preshade those models and painting gets easier.
You can find the video here on YouTube.