It happened so that I am the developer of the https://zxart.ee, the biggest archive of ZX-Spectrum software which means that I can possibly help with the screenshots and scraping problem somehow.
I would like to add all the possible games to all the possible databases with all the screenshots and inlays I have in the archive, which are gathered by a lot people from all over the world. Where should I start? Is this the right place? I'm new to the scraping and game databases, please point me the right direction or contacts.