> Just downloaded a site with one page that had 3
> missing images, e.g.:
> 
> <img border="0" src="images/sample2.jpg" width="211"
> height="228">
> 
> In all three cases, the "src" was renamed to .html,
> like so:
> 
> <img border="0" src="images/sample2.html"
> width="211" height="228">

If the images/sample2.jpg doesn't exist on the server what do you get? An html
page saying 404-url does not exist.
Httrack did what the server said to.