Hello,
Ooops, yes you are right, you did write that.
I just visited your site but now none of the images are working.
It’s because they are referencing the old site,
https://digitalbusinesscreations.com/wp/wp-content/uploads/2018/05/John-Pierce.png
However, I think the issue for the smaller images is because they are not large enough.
The minimum should be 250px by 250px.