Hi dkmarquez,
Unfortunately the creator of the videos opted out of supporting PixelCNC and personally removed them from the YouTube channel. If there's anything in particular that you would like to know how to do just let me know and I'll make sure to get you where you want to go! If you see something that's been created on a CNC router or mill and want to know how to do it in PixelCNC I can walk you through it :]
Cheers! :]
- Charlie