There doesn't seem to be much in the way of sites tracking how people have fucked with films apart from the Star Wars focused fanfilms.com
I've set up a tribe.net tribe, http://remixablefilms.tribe.net to trawl for examples.
Having a strong community develop around SANCTUARY is a key aspect of the proposal.
Q) What do MOD developers want from a game?
Q) Would they MOD a film?
Q) What are the biggest turn-offs for MODders?
Q) What have game developers done to encourage MODding?
Q) What studios produce the best MODable interactive entertainment?
Q) How are studios making money off MODs?
COMMUNITY LINKS
Half-Life
http://halflife.gamedesign.net/
Half-Life 2
http://collective.valve-erc.com/
Unreal Tournament
http://www.unrealtournament.com/
Quake/Doom
http://www.planetquake.com/polycount/
TOOLS
Half-life model viewer
http://www.swissquake.ch/chumbalum-soft/hlmv/index.html