[Andreas]

*** Untested ***

Hookname: threadfpdata_presave

PHP Code:

$this->thread['title'] = ucfirst($this->thread['title']);
$this->post['title'] = ucfirst($this->post['title']); 


Hookname: postdata_presave

PHP Code:

if ($this->existing['postid'] == $this->info['thread']['firstpostid'])
{
    $this->post['title'] = ucfirst($this->post['title']);
} 


Hookname: threaddata_presave

PHP Code:

$this->thread['title'] = ucfirst($this->thread['title']); 


This should take care of Thread Titles, no matter where they are being set/edited.