Looks like someone pulled together some packages for lighttpd. I'll have to give this a shot and see if it will work with the php (fastcgi) packages for nginx.

http://zedstar.org/blog/2008/03/02/p...the-quick-way/

Of course, I saw this which has a suite, but I could not find any debs: http://www.maemoapps.com/2007/10/23/...he-nokia-n810/