The problem with Google+ is any large photo gets re-sized to 2048 x 2048. I did research and tested it. I haven't tried them, but some alternatives being mentio

The problem with Google+ is any large photo gets re-sized to 2048 x 2048. I did research and tested it. I haven't tried them, but some alternatives being mentioned are fotoflexer.com and advanced.aviary.com.