<?php//this is simple code to watermark and resize images making thumbnails.//comes from http://hatemyblog.wordpress.com/2009/09/08/php-watermark-and-resize-image/ $srcimg = "thebigphoto.jpg"; //the source file $tmimg = "sm_".$srcimg; //were to place the thumb $wmimg = "watermark.pbr"; //the watermark files $target = 150; //thumbnail target size $waterlevel = 40; //the level of opacity //load the jpeg and get its sizes $image = imagecreatefromjpeg($srcimg); $size = getimagesize($srcimg); //this if just figures out what side is dominant if ($size[0] > $size[1]) { $percentage = ($target / $size[0]); } else { $percentage = ($target / $size[1]); } //calc the thumb sizes $newwidth = round($size[0] * $percentage); $newheight = round($size[1] * $percentage); //make a new img | copy the smaller | save as jpeg | clean up $thumb = imagecreatetruecolor($newwidth, $newheight); imagecopyresized($thumb, $image, 0, 0, 0, 0, $newwidth, $newheight, $size[0], $size[1]); imagejpeg($thumb,$tmimg); imagedestroy($thumb); //make watermage img | and get its sizes; $watermark = imagecreatefrompng($wmimg); $watermark_width = imagesx($watermark); $watermark_height = imagesy($watermark); this will place it Bottom-Left, 5px from the border $dest_x = $size[0] - $watermark_width - 5; $dest_y = $size[1] - $watermark_height - 5; //copy it over | save it over the original | and clean up imagecopymerge($image, $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, $waterlevel); imagejpeg($image,$srcimg ); imagedestroy($watermark); imagedestroy($image);?>