[peanut]

I only use photoshop but the main thing is to crop to the correct aspect ratio you are printing to. In your case 5:4. Then print to that size. If you don’t crop to the right ratio then it’ll be distorted or won’t fit the frame.

What is the original photo ratio to start with? Usually you select the image and you get the marquee then around the whole photo. You then hold down shift and resize the marquee keeping the aspect ratio, the you crop what you need within that marquee.