I dunno what can be done about the URL's.
I can post a link to page 9 of this thread if i wanted.
http://shoutbox.menthix.net/showthread.php?tid=28730&page=9
It's all depending on each users forum display setting. But obviously this shouldnt be happening randomly with threads you click yourself. Unless it also has to do with threads being split or something. I've thought about it most of this afternoon, I can't see how it happens unless posts are being removed and the page numbers aren't responding to that.
/ 
