[Fixup]

Whenever you see a youtube on a site (such as m.youtube.com), click on it, Opera Mini will open the link in IE. However, IE complains that the link is expired.

Here is the fix, click on the address bar in IE, go to the right end of the URL, delete (backspace) from the end until you deleted the "&", about 3 to 5 characters, most of them are squares. Now IE will allow you to start stream the video.

The video is heavily compressed, much worse quality than normal youtube. But better than nothing.