> WildCardFilters=-* +*index.php*cat=*[0-9]*
> +*thumbnails.php*album=*[0-9]*
> +*displayimage.php*album=*[0-9]*
> +displayimage.php*fullsize* -*sort=* -*.jpg -*.gif
> -*.png -*.css -*slideshow*
> 
> With this filter httrack happily includes URLs like
> .../thumbnails.php?album=topn&cat=0 which to me
> seems buggy.

Out of interest, if you append something like the this:

-thumbnails.php*album=*[a-z]*

does it exclude all, or just those with album=[a-z]*