Hi there, I see you have a lot of great examples for group TF's, something which I really like. A couple of examples that I have found are:
The Mist by Dragon-Storm:
http://www.transfur.com/Users/Dragon...missions/19985
(
you may need a transfur account)
Pan's Grotto by Navetsea:
http://navetseatf.blogspot.co.uk/p/pans-grotto.html