Thumbnail Quality

[corsacrazy]

i am trying to generate a thumb nail it works great but the thumbs are of VERY poor quality here is the codes im using

PHP Code:

function CreateThumb($picvarname, $destpath, $filename, $tsize ,$cmod="777"){
    global $gal_base_path;
    //This section will add a new photo 
    $newfilename = explode(".",$filename);
    $imageinfo = getimagesize($picvarname); 


PHP Code:

// for GDLib 2.0 and higher
            // $dst_img = imagecreatetruecolor($new_w,$new_h);
            // imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, imagesx($src_img), imagesy($src_img));
            // for GDLib < 2.0
            $dst_img = imagecreate($new_w,$new_h);
            imagecopyresized($dst_img, $img, 0, 0, 0, 0, $new_w, $new_h, imagesx($img), imagesy($img));
            $pathstring=$destpath."gt_" . $newfilename[0] . ".jpg";
            imagejpeg($dst_img, $pathstring, 75);
            chmod($pathstring,"777");
            return TRUE;
    endswitch;
    } else return FALSE;