I would appreciate if you continue this. Scans of this type is exactly what we need more. I haven't contributed many scans myself, but when I did I took great care of scanning all booklet pages and cropping everything cleanly, so I know the amount of work involved. And I have a bunch of releases I want to do at some point.
I also don't consider having square images in addition to the correct aspect ratio a big deals. As long as it adds value to the database I think we should have it. There are other odd things that can be added, like detail scans of stickers or photos, which often are no perfect quality but add value to the dataset by providing additional information.