Hey ropehawn,

Open gallery.php file and replace this code

-------------- code starts ---------------
while( false !== ( $file = readdir( $dh ) ) ){
// Loop through the directory
if( !in_array( $file, $ignore ) ){
// Check that this file is not to be ignored
// get images
if( !is_dir( "$path/_thumbs/$file" ) ){
//print out xml
echo '' . chr(13);
}
}
}

closedir( $dh );
// Close the directory handle
----------------- code ends -------------------

with this code

---------------code starts ----------------
//array for sorting
$narray=array();
$i = 0;

while( false !== ( $file = readdir( $dh ) ) ){
// Loop through the directory
if( !in_array( $file, $ignore ) ){
// Check that this file is not to be ignored
// get images
if( !is_dir( "$path/_thumbs/$file" ) ){
$narray[$i]=$file;
$i++;
}
}
}

// Close the directory handle
closedir( $dh );

//sort files
sort($narray);

for($i=0; $i //print out xml
echo '' . chr(13);
}
--------------- code ends ---------------

I didn't test this, but let me know if it works for you. This should work, but if you have troubles I will do some testing and send you a edited gallery.php file that will work.

Sorry to "hijack" your thread but i would be ever grateful if it would sort my sites gallery according its creation date..