For now on my G3 iBook, Youtube comes via Safari with Nokia N90 UA, javascript and styles switched off going to www.tonvid.com, copying the link, then clicking a script shortcut from my old G3 player package which passes the video to youtube-dl/MPlayer.
Safari is superfast searching www.tonvid.com with the options I mentioned and the scripts allow me to either download the video and play/move it separately or download, watch and delete when finished.
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What exactly would I require from the packages that you provided here in order for this to work for me? I just want to make sure that I'm not installing redundant packages, given YouTube's constant chop and change.