gd-lib

Evt sådan her.

<table>
<tr>
    <td><img src="dit nuværende billede"></td>
    <td bgcolor="blue" width="20"><img src="dit nye billede"></td>
</tr>
</table>

<?
header("Content-Type: image/png");

$image_src = 'img.png';
$image_overlay = 'overlay.png';

$size = getimagesize($image_src);
$width_src = $size[0];
$height_src = $size[1];

$size = getimagesize($image_overlay);
$width_overlay = $size[0];
$height_overlay = $size[1];

if($width_src < $width_overlay) $width_src = $width_overlay;

$image = imagecreate($width_src, $height_src + $height_overlay);
imagecolorallocate($image, 246, 246, 246);
$blue = imagecolorallocate($image, 0, 78, 152);
$gray = imagecolorallocate($image, 51, 51, 51);

imagefilledrectangle($image, 0, $height_src, $width_src, $height_src + $height_overlay, $blue);

$src = imagecreatefrompng($image_src);
imagecopy($image, $src, 0, 0, 0, 0, $width_src, $height_src);

$overlay = imagecreatefrompng($image_overlay);
imagecopy($image, $overlay, 0, $height_src, 0, 0, $width_overlay, $height_overlay);

imagerectangle($image, 0, $height_src, $width_src, $height_src, $gray);

imagepng($image);
imagedestroy($image);
?>