How to prepare your photos before sending them, for a better result!
To work over again a photo, I advise you to download, install and familiarize you to a free software of final improvement of image like paint.net (http://www.eecs.wsu.edu/paint.net/) : Download Paint.net 2.6.
The example below explains you what to do, step by step, with this software to prepare your photos for the transformation into a pretty cross stitch chart and easy to realize.