Total Commander

As in subject.

I am using Totalcmd as image viewer out of the box by changing size of the thumbnails to 800*800 often times. A shortcut function would be useful.

Changing wincmd.ini manually will not work since totalcmd does not evaluate
the ini for external changes. (As far as I know and tested.)

Thanks,
Martin

Maybe you can just combine small thumbnails with Ctrl+Q? you will need to use a plugin like imagine or sgviewer to get images in Ctrl+Q.