For template upgrade Joomla Document: Upgrading a Joomla 1.5 template to Joomla 1.6
For DB changes between 1.5 and 1.6(1.7): database upgrades in joomla 1.6
Adapting a Joomla 1.5 extension to Joomla 1.6
Be positive, have fun
For template upgrade Joomla Document: Upgrading a Joomla 1.5 template to Joomla 1.6
For DB changes between 1.5 and 1.6(1.7): database upgrades in joomla 1.6
Adapting a Joomla 1.5 extension to Joomla 1.6