Just use Ember. Have it scan the folders and put in the coverart and nfo files. That has worked great for me. I have over 850 titles identified this way now. With very little effort on my part.
Boxee Box 1, 2 & 3(Boxee+ v1.4.6), PCs(v18.104.22.16896) Boxee TV(v22.214.171.12481)
Server 1: HP MSS WHS (56TB) (NFS/SMB)
Server 2: unRAID (32TB) (NFS/SMB)
Server 3: unRAID (27TB) (NFS/SMB)
Server 4: TiVo Desktop (6TB RAID 5) (SMB)
NAS 1: Intel SS4200-E (4TB RAID 5) (NFS/SMB)
NAS 2: Dlink DNS-321 (1TB RAID 1) (SMB)