The theme for February 2007 was Inverts
See submissions here http://www.bostonreefers.org/forums/showthread.php?t=41009
Vote here http://www.bostonreefers.org/forums/showthread.php?t=41010
See submissions here http://www.bostonreefers.org/forums/showthread.php?t=41009
Vote here http://www.bostonreefers.org/forums/showthread.php?t=41010