Free Photos
When we went to see our eldest daughter at Uni last weekend I noticed that she had lots of postcard-sized photos on her noticeboard. Prints are "Free" up to 45 6x4 per month, or a total of 500 per year. Other sizes are available if you pay. There is a delivery charge of £3.99 (ie not totally free), but it seems reasonable for what you get. You can print directly from Google photos, or photos on your phone. Quality looked OK to me, but I am not a pixel peeper. http://www.freeprints.co.uk