I am hosting a wordpress blog (holmbase.dynalias.net/plugblog) from my plug using lighttpd. I ran into some trouble using some network storage and figured other people might have the same problem:
I first got everything working from the SD card filesystem, but I didn't want to keep it all there. So I mounted my web directory on my NAS that looks like Window's shares. As soon as I did that, all the images and javascript stopped loading.
I did a lot of searching and asking around. The important clue was a 'sendfile' error in the error.log file for the blog. Using that some folks led me to a lighttpd setting for what system calls to use. I just added the line
server.network-backend = "write"
to my lighttpd.conf file, and everything started working.
This explanation and some links are at
http://holmbase.dynalias.net/plugblog/index.php/archives/working-again-all-on-the-nas/-Ben