I uploaded Inertia, Lamprey, Caliban, and Sepulchre here: http://games.groups.yahoo.com/group/USAgentskins2/
Skins/skopes(FF1 and FF2)/keyframes/hero files included.
(http://img.photobucket.com/albums/v34/USAgent/redeamers.jpg)
(http://img.photobucket.com/albums/v34/USAgent/caliban1.jpg)
(http://img.photobucket.com/albums/v34/USAgent/sepp.jpg)