That's super!  It was your earlier use of a GIF animation that led me to try the same technique for some short movies in my own blog.  For example: http://www.rmweb.co.uk/community/index.php?/blog/1405/entry-12582-on-the-narrow-gauge/

I found a free program called Ulead GifAnimator2 on the web, though there are more sophisticated paid-for versions, too.  i wondered what you use?

Mike

Lovely animation.