Gallery Download Info
A High Resolution image is 4 megapixels. This is a size that allows for quality printing at most reasonable sizes. If you want to print at really large poster sizes, you would probably want a larger image.
An Original image is the exact image that has been put online. Generally 6 to 16 megapixels, depending on cropping. It is the original size of the image, identical in every way.
Downloaded photos are clean. They do not have watermarks or logos of any kind.