How do tu create a wallpaper?

well if u mean for ur pc back grownd jest right click then sckrowl down to wer it ses set imige as deck parte superior, arriba back grond and if u wont it as an i con right click on it then so to save imige as then name it sumthin u will remember then go to ur prof go to uploud a new pic then cick on the funny name then push uplode then u shud hav it

I use photoshop 7.0!! XD