> I have the filter -*/*forum*/* and WebHTTrack keeps 
> going into...

> +*.js -ad.doubleclick.net/* -mime:application/foobar
> -*/*punbb*/* -*/*forum*/*
> +*.php +*.gif +*.jpg +*.png +*.tif +*.bmp +*.zip
...
You said Don't go into forum BUT get all php's. So you got them.

If you want all related files use the near option (get non-html files
related=checked) and control the pages with filters: -*/forum/*