Thumbnail in Recent Threads widget

[devoidfeast]

Hello Fellows,
I want to Replace the user AVATAR with a thumbnail in the recent threads widget.how can i generate a thumbnail from the thread and replace it with avatar?
i do not know what exactly the "vbcms_widget_recentthreads_page" template should look like in order to achieve this task.
an example of what i want the recent thread widget to look like is at
http://www.siasat.pk

Thank You,
Have a great day.
Regards