The script can check hundreds of rapidshare.com megaupload.com and filefactory.com links in a split of a second (300 links in 0.1 - 0.3 sec and 900 links in 0.5 sec on my ADSL connection).
i hope somebody might be intersted to make it compatible with smf...
here is the link to the script:
Quotehttp://userscripts.org/scripts/show/9467