Reply To: Featured Slider, main image, is distorting the posts's featured images.

Hello Skyler,
If the images quality are low in size, the image will stretched. So, we recommend you to use the high quality image for it.
a. Set the images size on Setting > Media as mentioned size on documentation.
b. Install and Activate Acme Fix Images plugin and fix the image size.
c. You must have the high quality image. If the images are in low size, it will appear as blur.

Hope you understand.

Thank You