I'm not sure how useful this will be to anyone, but I've uploaded an abandoned WIP of mine in case anyone fancies finishing it off

http://www.4shared.com/zip/Oj7Wgkoj/Sercen_Manor_UNFINISHED_WIP.html

(If you have any problems downloading, try logging into 4shared)

I didn't get massively far: just the "exterior", and I copy-pasted and started to modify some cells from Silorn Manor so there'll be a bunch of stuff to clear out. It might be useful for someone making a tree village, though.

This is what I did:

http://princessstomper.wordpress.com/2011/01/05/in-progress-sercen-manor-ayleid-tree-village/