I played in Oddworld first time in 1998 (when Abe's Exoddus was released), joined this board in Sep 2008 and starting to post in 2010 :P
Huh but its off-topic... anyway
here is one slig:
http://oddworld.com/firsttenyears/un...s/img_main.jpg
and here is a second:
http://www.gamechronicles.com/guides/exoddus/slig3.jpg
Yes they probably changed the slig's mask