I am looking for the simplest way of putting Youtube movies onto my flash drive…
You can use 4K video downloader.It's very simple to use.
4K Video Downloader Makes It Easy To Get Videos From YouTube
i always used this software from this maker. http://www.dvdvideosoft.com/
it easy to used and also have converter add on to auto convert ur video but sadly, i yet to find youtube downloader that download alongside with bbcode that is subtitle in some video that using bb code to make a subtitle...
You can use the online service at http://keepvid.com/ .
My favorite is KeepVid. Here are a few related articles.
4 Quick Ways To Download YouTube Videos Off The Net
3 Ways to Download All Videos in a YouTube Channel
4 Free Apps To Download YouTube Videos [Mac]
you can set the software that you use, to download youtube to usb key it should be under settings.
if the youtube is already on your desktop you can right click and choose sent to