I have a lot of those images too. You usually need to look around a whole lot of different sites to find them. Like not always the "popular" gaming sites. I came across some of the ones that Xavier has from foreign language sites... (i.e. type in Oddworld in something like
www.yahoo.co.jp). That's how I originally found the Abe 99 stuff.
Here is the Wanter Poster pic that Xavier is referring to... it's pretty cool.
Abe Babe...