> I would like to copy the gif files in web pages as 
in 
> the following example:
> 
> <a href=http://www.someweb.com/page.htm<img 
> src='img/button.gif'></a>
> 
> How do I copy button.gif from the web site?  I was 
> able to copy other gif files that are not 
hyperlinked.

?? Maybe due to some javascript routines? Try also to 
add filter such as:
+*.gif

this should do the trick.