www.pacificpermaculture.ca
A 20 min video describing in, quick and easy steps, how to build a self watering wicking bed.
In the end this was not my favorite design. I had much more success with this one:
http://www.tanyaspracticeblog.com/2016/01/10/premature-planting-syndrome/
This other design works really well if you already have normal pots that you want to retrofit into wicking style pots.