Mushishi the manga is already scanslated (at least the first 4 chapters). Everything you guys have mentioned are in the manga, except for the mud monster and coat, I think.
Here's a link to the torrent. Just scroll down the list.
http://64.62.145.165:6969/
Comments
AnimeNewsNetwork has the title of ep21, and lists the series as 26 episodes long. And here's the statement from one of the fansubber groups.
This pleases me.