The compression one has a part 2. It's a really cool way to look at compression.
https://www.youtube.com/watch?v=AKS7EdK0dPY
The Depth in a mix vid outlines the functions and parameters of reverb quite concisely.
https://www.youtube.com/watch?v=llkiF5qxf1U
If you've got a free half an hour or so....

Edit;
You gotta check out this plugin: TB Isone by Toneboosters!
It's 20 euros.
Theres a demo at the 10 minute mark in this vid. It looks great for positioning elements in a mix, slightly different to the original design use as he explains in the video.
https://www.youtube.com/watch?v=Glui-cKyFMM
http://www.toneboosters.com/tb-isone/