XF 2.3 image distortion in thumbnails

[wowmod]

hello, I am using the dc style thumbnail plugin, the images of the thumbnails at the beginning of the topics look distorted, what should I do to make it clear?

on mobile it is very clear, when I look at the forum from the computer the images are distorted

 

[Ozzy47]

You need to ask the author in the resource addon thread. https://xenforo.com/community/threads/where-to-obtain-support-for-third-party-add-ons.92672/