How to change the standard 1 inch with the background color, easy to use that software

Users questions:According to the digital camera at home, would like to own print, background color is white to red or blue. Who can help me solve! Thank you very much!
Experts answer:photoshop can be selected out of the characters from the image, then "anti-selection", both Select the background, with the spray paint tool on the color you want on it
  • This information provided by the users.Thanks!