there is how to upgrade your thunderbird in moolux linux with Gslapt.
select source:

by default moolux linux add 2 link:
http://kambing.ui.ac.id/slacky/slackware-12.2/
http://kambing.ui.ac.id/slackware/slackware-12.2/
after that, update list package

select list upgradeable

check to install the thunderbird

and then select apply to install

the new version of your application is ready..










