Examine source code of noma001

{
  "theme": {
    "images": {
      "theme_frame": "Untitled-1.jpg"
    },
    "colors": {
      "frame": "#8c2902",
      "tab_background_text": "#000000"
    }
  },
  "version": "2.0",
  "name": "noma001",
  "manifest_version": 2,
  "description": "Have i use my own picture?\nThis picture is one that i found in online.\ni want to use it for my Fire fox skin so i made it but if it is illegal that i use a picture which is not mine, then please tell me. I'll delete it."
}