Not So Fast!

The asynchronuos thumbnail creation introduced in version 0.16.5 created a lot of troubles on some servers. When a user uploaded many images by ftp, the server got bombarded by many requests for thumbnails. This could, in some cases, result in a very high memory usage, internal errors and wrongly created all black thumbnails or even no thumbnails at all.
In version 0.16.7, you will have an option to create cached thumbnails after the gallery page has loaded in the browser. By default this option is off.
Check this only if you are sure your server can handle the extra load.