I posted the original in the wrong topic... sorry.
A similar approach to the one for normal images would be to edit ILA.subs.php this way:
<img src="' . $this->_attachment['href'] . ';image" alt="' . $uniqueID . '" title="' . $ila_title . '" id="thumb_' . $uniqueID . '" style="width:' . $this->_curr_tag['width'] . 'px;" />
</a>';
else
$inlinedtext = '<img src="' . $this->_attachment['href'] . ';image" alt="" title="' . $ila_title . '" id="thumb_' . $uniqueID . '" style="width:' . $this->_curr_tag['width'] . 'px;" />';
<img class="bbc_image resize" src="' . $this->_attachment['href'] . ';image" alt="' . $uniqueID . '" title="' . $ila_title . '" id="thumb_' . $uniqueID . '" />
</a>';
else
$inlinedtext = '<img class="bbc_image resize" src="' . $this->_attachment['href'] . ';image" alt="" title="' . $ila_title . '" id="thumb_' . $uniqueID . '" />';
TBH I'm not sure about the name of the classes amd I can't find a bbc image at the moment sorry.