Script to search and download subtitles

[emzero]

I'm looking for some guidelines to create a post-processing script that will search for subtitles (both tv-shows and movies) and download them.

I know there are a few post-processing scripts for this purpose, but most of them use opensubtitles.org, which doesn't have the best latin-spanish subtitles.

Unfortunately, the best page to download latin-spanish subtitles is http://www.subdivx.com, which doesn't offer any API or RSS. So I would have to parse the HTML.
I have knowledge in web-development (PHP, Ruby, .NET, HTML, CSS, Javascript), but never really done something like this.

So, I'm asking you guys for some guidelines and tips, where to start, etc.
Any good and easy HTML parser?
Which language would you do it? (I'm on windows)

Any help would be appreciated
Thanks

[tonydl]

I once used sublight cmd for downloading subtitles, maybe it has better spanish ones?

http://www.sublight.si/wiki/Help-SublightCmd.ashx