two thunbnails size

[Lionel]

I set my thumbnails width at 300 and I display them directly in the postbit, vertically.

However, image smaller than 300 width are not linked and as such, therefore display below the post as designed by Jelsoft, which is fine.

Where in function fetch_thumbnail_from_image () in functions_image.php can I put this:

if ($width < $vboptions['attachthumbssize'])
$new_width = "100";

So images smaller than the vbdefined thumbsize of 300 get thumb at 100 width? Or is that possible at all?