\documentclass[12pt,a4paper]{moderncv}
 
\moderncvtheme[blue]{casual}                 
\usepackage[ngerman]{babel}
\usepackage[latin1]{inputenc}
\usepackage[scale=0.8]{geometry}
\usepackage{graphicx}
 
\photo[200pt]{hier ein Bild einfügen}
 
\begin{document}
 
\maketitle
 
\end{document}
 
 

\documentclass[12pt,a4paper]{moderncv}
 
\moderncvtheme[blue]{casual}                 
\usepackage[ngerman]{babel}
\usepackage[latin1]{inputenc}
\usepackage[scale=0.8]{geometry}
\usepackage{graphicx}
 
\AtBeginDocument{\recomputelengths}
 
% personal data
\firstname{John}
\familyname{Doe}
\title{Resumee title (optional)}  
% optional, remove the line if not wanted
 
\address{street and number}{postcode city}
% optional, remove the line if not wanted
 
\mobile{mobile (optional)} 
% optional, remove the line if not wanted
 
\phone{phone (optional)}
% optional, remove the line if not wanted
 
\fax{fax (optional)}
% optional, remove the line if not wanted
 
\email{email (optional)}
% optional, remove the line if not wanted
 
\extrainfo{additional information (optional)}
 
\photo[200pt][0pt]{NameDerBilddatei}
 
\begin{document}
 
\maketitle
 
\end{document}