For anyone interested, I’ve made a template for Scrappy that works well with my theme.
Just put it in your ARCHIVE folder and install it using Archive Manager (if you installed the latest version of forked Scrappy)
Fluent-Scrappy-Templates-v2.muxzip (13.4 KB)
There are four templates included: screenshot-fluent and screenshot-fluent-no-offset and their 768p counterparts. The first one slightly offsets the screenshot to the right, to compensate for the space taken by the list and to frame the screenshot more to the middle of the remaining space. The second one does not offset the screenshot. This is great for systems that can have vertical screenshots, e.g. DS, Arcade.