<ol> <li><a href="http://packages.debian.org/search?keywords=lightdm&amp;amp;searchon=names&amp;amp;suite=all&amp;amp;section=all" class="auto-link" rel="nofollow">http://packages.debian.org/search?keywords=lightdm&amp;amp;searchon=names&amp;amp;suite=all&amp;amp;section=all</a><br><br>You can install image from wheezy or sid.<br><br>2. No, Unity used nooriginals libs.<br><br> </li> </ol>