> If you've not visited the thread before, it should take you to the first post. However, if you have, then you're probably not going to want to read the post again, so it should take you to the newest post. That's my opinion of what works best.
> With Siteswap animating, the easiest option is probably just to display an iframe or something of the http://jugglinglab.sourceforge.net/siteswap.php? page, at the bottom of the post.
Personally I feel that going to the earliest unread post would be better. That
way you don't have to then move back through the posts to get context for what