Here are some threads/posts that might help you out...
The Ka's very enlightening thread
"Not just a tender of birds"
One of my posts in
A probably too sympathetic view of Grima thread
Doing a search here's some other things I've found....
Lush's thread:
Descent into Hell
littlemanpoet's
Mythic Unities in LOTR
These forums are filled with connections to greek, anglo-norman/saxon, baltic, christianity...etc mythologies.