Hello ChicagoMusicGuide,
The image in slider are all small. Images are 300*300 in size.
For example following image:
http://chicagomusicguide.com/wordpress/wp-content/uploads/2016/04/DSC_6549aa-300×300.jpg
Please make sure you have followed the documentation Setting up Images size ( https://doc.acmethemes.com/supermagpro/#SettingupImagessize ) and installed Acme Fix Image plugin.
Best Regards,
Acme Themes