> In some of the download files there are an abundance
> of .html.tmp files -- that if renamed to .htm seem
> to be completely viable downloads.

If you stop a download process without waiting for "pending downloads" to be
finished, it happends, yes. I'll fix this issue in the next release.

> Also can ht track be set to not delete them (as I
> said they are completely viable pages and if
> necessary I can rename them using a batch utility)?
Well, httrack is only able to process them if you don't interrupt the mirror
too quickly :p