> the pictures are accessable fine online however when
> you type in www.???.co.uk/images/ect/ect/ it says
> you do not have permision to view folder ect.

If your browser can show you the folder then httrack can download it.  Having
permission (login) for a site does not necessarily allow reading individual
folders.

> i do however have permission but the company giving
> me permission do not know passwords or usernames.

If your browser is showing you what you want, then it has the proper cookies. 
copy your browser's cookies.txt to the mirror directory