This will let you put in RSS Feeds/links to all the 4-ch boards. Of course, you'll need Firefox 1.0 or newer for it to work.

1. Copy the code below, and save it as a .html document.
2. Bookmarks -> Manage Bookmarks
3. File -> Import -> From File : the .html document you saved.
4. Select what it just imported in the Bookmark manager and then move it to your Toolbar Folder.

Voila!

Here is the code:
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<DT><H3>4-ch RSS</H3>
<DL><p>
<DT><A HREF="http://4-ch.net/anime/" FEEDURL="http://4-ch.net/rss/anime.rss">Anime</A>
<DT><A HREF="http://4-ch.net/dqn/" FEEDURL="http://4-ch.net/rss/dqn.rss">DQN</A>
<DT><A HREF="http://4-ch.net/food/" FEEDURL="http://4-ch.net/rss/food.rss">Food</A>
<DT><A HREF="http://4-ch.net/games/" FEEDURL="http://4-ch.net/rss/games.rss">Games</A>
<DT><A HREF="http://4-ch.net/general/" FEEDURL="http://4-ch.net/rss/general.rss">General</A>
<DT><A HREF="http://4-ch.net/net/index.html" FEEDURL="http://4-ch.net/rss/net.rss">Internet Culture</A>
<DT><A HREF="http://4-ch.net/nihongo/" FEEDURL="http://4-ch.net/rss/nihongo.rss">Japanese</A>
<DT><A HREF="http://4-ch.net/manga/" FEEDURL="http://4-ch.net/rss/manga.rss">Manga</A>
<DT><A HREF="http://4-ch.net/music/" FEEDURL="http://4-ch.net/rss/music.rss">Music</A>
<DT><A HREF="http://4-ch.net/news/" FEEDURL="http://4-ch.net/rss/news.rss">News</A>
<DT><A HREF="http://4-ch.net/politics/" FEEDURL="http://4-ch.net/rss/politics.rss" >Politics</A>
<DT><A HREF="http://4-ch.net/code/" FEEDURL="http://4-ch.net/rss/code.rss">Programming @4-ch</A>
<DT><A HREF="http://4-ch.net/req/" FEEDURL="http://4-ch.net/rss/req.rss">Requests</A>
<DT><A HREF="http://4-ch.net/tech/" FEEDURL="http://4-ch.net/rss/tech.rss">Tech</A>
<DT><A HREF="http://4-ch.net/ascii/" LAST_CHARSET="Shift_JIS">ASCII @4-ch</A>
<DT><A HREF="http://4-ch.net/tv/">Film &amp; TV @4-ch</A>
</DL>

Yes I know I fucked the code. But it works, I assure you.

I thought these were already existant:

http://kao.wakachan.net/r/src/1103672680583.png

http://kao.wakachan.net/r/src/1106778329322.jpg

The above saves you have to subscribe to all of them, and puts all the feeds into one folder.

Ah, right.