In the show preview, when the window pops-up (General)
is there a way to limit the number of characters in the preview,
In templates/default/subtemplates/posting.tpl.inc, replace...
{$preview_text}
... by ...
{$preview_text|truncate:500:"..."}
(untested; 500 is the number of characters)
as-well as the size of the image?
Hm, more complicating. Would require some modification in includes/posting.inc.php (or maybe with CSS? max-width/max-height for images within the preview box?).
Alex