I like Seatubes so much, I paid the shareware fee!

Actually, Seatubes is kind of clunky. But despite knowing I could have done a better job with the GUI myself, I keep coming back to it as a useful tool, better than any of the alternatives.

Its main benefit is that you can use it to collect URLs to YouTube videos and save the collection into a file. There is no need to worry about downloading anything until you feel like it, like when its time for a break from the computer. Just bring up the collection and hit the download button and walk away. Everything loads into your designated folder.

As ever, if you are playing/collecting YouTube videos uploaded after June 2007 and you want the best quality available, add this to the tail end of the URL for the video page:

&fmt=18

What you get is the 'HD' version of both the audio and the video. Often the improvement in quality is dramatic.