// uploadvash kartinkata, validirash si q i q podavash kato promenliva v $fname:
$fname = "validirana_kartinka.jpg";

$handle = fopen($fname, "r");
$tmp_file = '';
					
while (!feof( $handle )) {
  $tmp_file .= fread( $handle, 8192 );
}			
fclose($handle);

$qry = "INSERT INTO images (pic) VALUES ('{$tmp_file}')";

mysql_query(alabala...