Hello, I have a good experience with downloading and ripping files online, and to prove that I can do this job properly, I already found the DR channel that you wanted, and ripped one video podcast from one of the highlighted ones. I put it on my public Dropbox so you can download it. Here it is:
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You can get all the videos in the podcast if you let me do this job. Please note that since it is a big amount of videos, you will have a lot of downloading to do.
Hope to work for you soon.