Forum Display post preview on search result
 

I'm really hoping someone can help me with this.

When a search was made on a 3.8 forum, lets say a "View all members posts" search, a 'preview' was displayed - like here on vBulletin.org;

http://img198.imageshack.us/img198/3429/search2f.jpg

However, on a vBulletin 4+ forum, like mine - a search just returns thread titles - without a post preview, like so;

http://img413.imageshack.us/img413/3252/searchc.jpg

I've looked through the options on the admin panel but just cant seem to work it out.

Does anyone know how to display post previews in a search?