crosti can help you to resize image, reduce the number of colors, change image palette to DMC palette, make cross stitch scheme, then print it. Simple cross stitch scheme edition is possible - you can change scheme colors (square by square) and alter color pictograms. With this tool you can make unique cross stitch scheme from custom image.

Mini guide:
Three steps to convert picture to cross stitch scheme:
1. Open image.
2. Reduce image resolution and the number of colors. Press F5, and you'll see panel with all you need to do it. Then seek "Convert picture" button and press it.
3. Now you should have a converted picture with low resolution and DMC palette. Press F6 and you'll see panel with just one button "Make scheme". Press it.

The license of this software is Free, you can free download and free use this image utility software.