1)
Debian MPlayer How-To
2) "Ogle is a real DVD player that supports DVD menus and navigation. It can access CSS-protected DVDs if you have libdvdcss installed, take screen shots, and view movies in fullscreen mode. It handles angles correctly and automatically uses the correct aspect. You can switch subtitles and audio tracks. It runs on Linux, FreeBSD, NetBSD, OpenBSD, and Solaris."
http://freshmeat.net/projects/ogle/
3)
"Locate your profile folder" look for bookmarks.html cookies.txt hostperm.1 and key3.db and signons.txt ; you can copy copy them to disk, email them to yourself; or just move them from your windows firefox profile to your linux Firefox profile.