To change the image quality for Avatars and covers navigate to WP Admin -> PeepSo -> Configuration -> Advanced and find the options in Storage panel
Avatar size
Bigger images use more storage, but will look better – especially on high resolution screens.
Avatar quality
Higher quality will use more storage, but the images will look better.
Cover width
Bigger images use more storage, but will look better – especially on high resolution screens.
Cover quality
Higher quality will use more storage, but the images will look better