A little info for anybody else who wants to download the videos : install the software from Trevors link, then choose the video you wish to download from this site. Do a Right-click on the play button on the embedded video then choose "watch on Youtube". You will then be able to copy the video address into the download software.
You can download several in one go. So you can repeat the operation above on as many of Trevors videos as you wish.
