[BetterRed]

@MiniMouse - I think I have an easier way, for me, under my finger tips.

The first screen shot below shows what I see in my file manager (xplorer2) for my Make a New Cover folder where I have columns for image width & height, so I can see at a glance that Mother Russia is bigger than Kaleidoscope 7 by about 60%. The file system context menu shows that I'm about to invoke the Convert option of the FastStone gadget.

The second screenshot shows the Faststone Convert dialogue, where you can see I selected resize to 40% of original, and you can see the result I got when I hit Convert - Mother Russia_1 is a bit smaller than Kaleidoscope 7.

Now I can use the downsized Mother Russia in PIXLR as per your original instructions, including fine-tuning its size. BTW I prefer PIXLR because it centres the foreground - I have to do this by eye with Paint.

I don't mind using different tools for different steps in a process, and I don't have any difficulty doing the mental 'gymnastics' to determine the % by which I must reduce the foreground picture to fit on your base covers.

I'm reconsidering whether I really need to use Generate Cover - my objective is to be able to glance at a cover in Book Details or Info to get an inkling of the subject matter, that's what the pictures do. I delete the cover from any epubs I create with the Modify plugin. So why not just have the foreground picture you may ask - dunno - just doesn't feel right.

EDIT : just (re)discovered how to have publisher and pubdate on the cover, which is what I've been wanting. I think I forgot I could use a template in the Custom Text field. So I will probably continue my use of Generate Cover.

BR