Here's a thread on Doomworld. It's about a Wolfentein Style mod project. There are some links to screenshots in the thread.
http://www.doomworld.com/vb/wads-mods/48083-wolfenstein-style-mod-im-working-on/
http://www.doomworld.com/vb/wads-mods/48083-wolfenstein-style-mod-im-working-on/