Great. So 4bpp for the covers and 8bpp for the screenshots in native game resolution. No AGA colors. OCS/ECS compatibilty is mandatory.
Are the cropped black bars for the ingame shots a problem? I assume the Amiga would generate them by default anyway, for shots smaller than PAL full screen resolution.
For the cover IFFs: We probably need them in 640x400 too. I guess NTSC users would try TinyLauncher too.