[Video Tutorial] Building Cubemaps for Team Fortress 2

[Reactor]

Just thought I'd post this to help everyone out, and for the people that may not understand the other tutorial.

Here's the tutorial.
http://www.youtube.com/watch?v=j6LEhq5Yi9k

Here's the source tutorial I used:
http://forums.tf2maps.net/showthread.php?t=16452