Online source for Kanji etymology


Is there a good website that contains etymological explanations about the 2000
most important Kanji?

I'm looking for something like this:
<http://tokyogreenspace.com/2009/08/05/weed-in-kanji-the-language-of-nature/>
Could be shorter of course.




<http://www.kanjinetworks.com/eng/kanji-dictionary/online-kanji-etymology-
dictionary.cfm>

