but basically you choose a Crop Tool box the shape of the paper (say 4x6, 5x7 or 8x10, or maybe width x height is 6x4, 7x5, or 10x8 for landscape orientation), and then simply mark that crop box on the image with the mouse, and position and size it as seen to be the best...
an 8x10 has a 4:5 aspect ratio. You would need to crop that to a 5:7 aspect ratio for a 5 by 7 print. and a 10x8 to a 7:5 aspect ratio for a 7 x 5 print. You can drop any aspect ratio image to either a 5:7 or 7:5 aspect ratio my plug will set the cor...
Resampling - Retain image shape, but change the size of the image (pixel dimensions). Scaling - Changing only the dpi number to cause the same shape and size (pixels) to print a different size on paper (still seen the same size on a monitor screen). Scaling does not change any pixels...