To create a 300 dpi image file from an Image Library JPEG download in Adobe Photoshop
please follow these steps:
1.) Download the image you have selected and save to your desktop.
2.) Open the image file in Adobe Photoshop.
3.) Under Image, select Image Size.
4.) Be sure that the check boxes Scale Styles and Constrain Proportions
are checked and that Resample Image is NOT checked.
5.) Enter 300 for Resolution _ pixels/inch. The Width and Height will recalculate to
the new resolution.
6.) Click OK.
7.) Save the resized image: File – Save or Save As.