Here are a couple of vintage WWL clips, beginning with a complete 10 PM newscast from Feb. 6, 1990:
https://archive.org/details/wwl-eyewitness-news-at-10-pm-feb-6-1990-b
Here's an open to a 10 PM newscast from Sept. 30, 1989 - shortly before the set and graphics from the above clip were fully implemented along with the first generation of Stephen Arnold's "WWL News" theme package:
https://archive.org/details/wwl-eyewitness-news-start-mid-sep-30-1989
10 PM opens from May 19th and 20th, 1985:
https://archive.org/details/wwl-eyewitness-news-nightwatch-start-may-19-1985
https://archive.org/details/wwl-eyewitness-news-nightwatch-start-may-20-1985
A 10 PM open from February 1, 2002 (the Friday before Tom Brady led the Patriots to their first title in Super Bowl 36 in the Superdome 2 days later):
https://archive.org/details/wwl-eyewitness-news-at-10-pm-start-feb-1-2002-b
A 10 PM newscast from December 14, 2003 (the top story was the capture by U.S. forces of infamous Iraq dictator Saddam Hussein months after the fall of his regime):
https://archive.org/details/wwl-eyewitness-news-dec-14-2003-b
From WDSU, a partial 10 PM newscast from Sept. 17, 1995:
https://archive.org/details/wdsu-6-news-tonight-start-sep-17-1995