Use master slider free plugin if having trouble with divi slider
Someone posted this a while back
Divi image sizes:
Full Screen / Headers: 1920×1080
1 column: 1080 pixels
3/4 column: 795 pixels
2/3 column: 700 pixels
1/2 column: 510 pixels
1/3 column: 320 pixels
1/4 column: 225 pixels
Parallax: 1280px by 768px
Sent from my Samsung Galaxy smartphone.
