~
From Polycount (http://www.planetquake.com/polycount/):

Dark Knight: by Crash and Frankie
Skin used: Blue
(http://www.planetquake.com/polycount/downloads/index.asp?model=821)

Samjai: by Bastiaan "SkullboX" Schravendeel
Skin used: Daimyo
(http://www.planetquake.com/polycount/downloads/index.asp?model=903)

~
From 3dCafe (http://www.3dcafe.com):

Palace: by Kenny Vadas
(http://www.3dcafe.com/models/palace.zip)

~
From INRIA Gamma Team (http://www-rocq1.inria.fr/Eric.Saltel/download/download.php):

Burger:
(http://www-rocq1.inria.fr/Eric.Saltel/download/MISC/burger.php)

Knot:
(http://www-rocq1.inria.fr/Eric.Saltel/download/NODES/noeud3x2.php)

Sun:
(http://www-rocq1.inria.fr/Eric.Saltel/download/MISC/Sun.php)

Flag Stand:
(http://www-rocq1.inria.fr/Eric.Saltel/download/MISC/flag_3ds_mrealms.php)

Zodiac Symbols:
(various in http://www-rocq1.inria.fr/Eric.Saltel/download/MISC/index0.php)