...Overall experience doesn't feel natural given the delay of 2-3 seconds. So Betterlockscreen was my attempt to solve this problem, as we don't need to change the lockscreen background frequently this script caches images with effect so the overall experience is simple and as fast as native i3lock. The script takes a directory or image, adds various effects and caches the images in a special directory. Those cached images will be used as locker background depending on the configuration provided by the user.