1. for backup files only need copy it.
2. as prevous explained, there is no easy way to link dynamic content post to a specific page. but you can try find some plugin on wordpress.org to do your idea?
3. may be your network issue caused this, please concact you ISP for help?
4. if you still need nicescroll component, please forward here for help: http://areaaperta.com/nicescroll/
5. if you don’t mind please leaving your ftp uri and login info here through private message(check option ‘set as private reply’), I will check it for you later
8. I known you using wordpress. the link item with ‘HTML 5 COMPATIBILITY’ has an example how to show an image caption
9. please contact qTranslate plugin developer for help first.
10. I think this will be difficult to implement.