See these threads for methods to pull lastest threads via javascript
:
[HowTo] Display your latest threads on an external page using an RSS2 feed
[HowTo] Display your latest threads on an external page using an XML feed
[HowTo] Display your latest threads on an external page using an RSS feed
Are you sure there is no option in Cyb's Forum Stats mod for that? Or did you try asking in the modification thread if it's just a simple change to the query to get what you want?