Here's all the uniforms I made for the extra 16 teams. Note that I either rushed some or completely ran out of color schemes and ideas for some. Trying to make 16
Colorado Avalanche Men's Apparel, Avalanche Men's Jerseys, Clothing
Third jersey - Wikipedia
Blue Jackets new 'reverse retro' jersey will feature red for the first time
Ranking the best and worst NHL Winter Classic jerseys
Ranking all current NHL alternate jerseys
Washington Capitals have the best jerseys in the NHL
NHL uniform - Wikipedia
Top 20 NHL Jerseys of All Time - Trainwreck Sports
Alternate History: A look at Islanders third jerseys before they introduce another one you'll hate - Lighthouse Hockey