function waterMark($fileInHD, $wmFile, $transparency = 50, $jpegQuality = 90, $margin = 5) { 

$wmImg = imageCreateFromGIF($wmFile); 
$jpegImg = imageCreateFromJPEG($fileInHD); 

$wmX = (bool)rand(0,1) ? $margin : (imageSX($jpegImg) - imageSX($wmImg)) - $margin; // hab hier halt mal ne zufalls ecke reingemacht ^^ 
$wmY = (bool)rand(0,1) ? $margin : (imageSY($jpegImg) - imageSY($wmImg)) - $margin; 

imageCopyMerge($jpegImg, $wmImg, $wmX, $wmY, 0, 0, imageSX0($wmImg), imageSY($wmImg), $transparency); 

ImageJPEG($jpegImg, $fileInHD, $jpegQuality); 
} 
waterMark("$image",'watermark.gif');

return ImageJPEG($jpegImg, $fileInHD, $jpegQuality); 
}
$endbild = waterMark("$image",'watermark.gif');

echo '<img $jpegImg>';