Using Wget To Archive A Website
I needed to grab a simple archive of a website and found Wget does an adequate job. I wanted the website and any media files that it pointed to but not any other external websites.
wget -Hkmp -Dyour.website.here,external.website.1.here,external.website.2.here http://your.website.here
Wget is a complex tool so you'll definitely want to read up on it before you use it.