Any training videos?

I'm so completely lost in trying to figure out pretty much everything. I've built my own CNC mill and I'm to the point where I'm testing it out. I've gone though the setup and have that figured out, and I can home my 3 axises, but beyond that, I'm very lost. I've read over the documentation and I'm not really making heads or tails of it, and I can't find answers to questions I have.

Are there any videos that cover the basics for newbies?

Thank you.

The basics of machining I'm finding videos for and have learned a bit. Right now the thing I can't figure out is when I load an example up in ECM2, it always places the design in the lower left corner of my workspace. The designs show extending beyond the work space I have. How do I move the design around so that it would be in the middle of my work space.

I've stumbled my way though and finally made some saw dust this evening. So I can make a snow flake. Once I get to where I understand what I'm doing a little better, I may end up making my own "crash course for the utter newbie" kind of video to help the next person. Andypugh, thank you, that was the one of many missing links for me.

Up next for me, G code and magnets, how do they work?