I have some time after my walk and before my lunch so I've had a play around.
I made copies of some of m y video clips (click and hold, press ctrl and drag a little way. Then I added a .wmv extension by right clicking and renaming. And that did it!
Then I imported them into Video Editor which I have as part of my Windows package and added some music and a title page. That's as far as I've got and I need to work out how to get rid of some of the background noise although I suspect it would get rid of the splashy wave sounds too.
Now to see if Blogger recognises it.
Yes, it does but it's too long. Oh drat. So, back to YouTube.
Well, it's a start! :-)