romiiio, that is the step by step. Get leafpad, and as root
leafpad /home/user/.config/sakya/QtLockscreen.ini

Sakya, there is a small bug with the album art. If the size is different between portrait and landscape it only loads one of the sizes. For example, say the album art widget is bigger in portrait and a new song comes up while in portrait. It will be loaded with the big size, but if you switch to landscape it will get clipped. If you started in landscape, the there will be a gap when flipping to portrait.