It's done! Today, on MLK, Jr. Day, no less, I hung my display of the first black player on every team. There's a full explanation on my list, if you want to check it out. I will now post pictures that will somehow turn into hashtags, so you can feel free to explain how to fix that.
Yay!
v3
Ok, I've done an imjur thing. If you right click on these, I think you'll get a "go to address" choice, which seems to work. The first picture is best. But I'm also about to make the logos smaller....
https://imgur.com/10DzHge.jpg
https://imgur.com/en2gqbY.jpg
https://imgur.com/3Oi8qMZ.jpg