When I give HTTrack a website to spider and mirror, it will sometimes utilize
up to 4 connections (I believe 4 a maximum in the source code?).

However, when I give HTTrack a list of unique URLs that I want mirrored, with
zero spidering, it never goes past 1 connection.

Any ideas to tweak things for more than 1 connection when using a list
specific pages, not spidering?