Forums / Cotonti / General / Easy sef link system !

Yes of course.

Go to Administration Panel >> Other >> URL Editor or Settings (anyone) >> add new rule

first rule

Area : forums
Parameters: m=*&q=*
Format: {$_area}/{$m}/{$q} or {$_area}/{$m}/{$q}.html

second rule

Area: forums
Parameters : m=*&s=*
Format: {$_area}/{$m}/{$s}

last rule

Area: forums
Parameters : m=*
Format: {$_area}/{$m}

Not tested but should work. Waiting for the results.