Found a new little issue:
Template: dto_garage_vehicle_view_imagebits
Code:
<tr><td align="center">
<a href="$filename" rel="lytebox[garage]" title="$caption"><img border="0" alt="$caption" src="$thumbname"></a>
</td></tr>
must be:
Code:
<tr><td align="center">
<a href="$filename" rel="lytebox[garage]" title="$caption"><img border="0" alt="$caption" src="$thumbname" /></a>
</td></tr>