@justt, before cutting an image, do take the time to see if it's been done already. It's a waste of your time if you're going to produce a less sharp equivalent of an image which has been in the megapack for a couple of months already, because it's not going to be added anyway.

It also seems like you're not cropping images before putting them through remove.bg, which may be why some of your cuts lack that little bit of sharpness. What I mean can be seen from 2:25 onwards in the below video: